I learned that to solve many problems it is prudent to go further upstream in the logic and thinking. In this case, I re-engineered the lookup field and solved the problem.
By definition, in the VLOOKUP syntax, if range_lookup is either TRUE or is omitted, an exact or approximate match is returned. If an exact match is not found, the next largest value that is less than lookup_value is returned...
Given this, my question is: is it possible that if an exact match is not found that the next smallest value is returned?
Thanks for any help
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