CREATE TABLE table_73833 ("meas. num" FLOAT, "passed" TEXT, "YES votes" FLOAT, "NO votes" FLOAT, "% YES" TEXT, "Const. Amd.?" TEXT, "type" TEXT, "description" TEXT)

how many yes votes made up 43.18% yes?
SELECT MAX("YES votes") FROM table_73833 WHERE "% YES" = '43.18%'
SELECT MAX("YES votes") FROM "table_73833" WHERE "% YES" = '43.18%'