Solve for the base. Round to hundredths when necessary.
What is the base if the rate is 16.9% and the portion is 454?
"rate=portion\/base \\times 100\\%"
"16.9\\%=454\/base \\times 100\\%"
"16.9\/100=454\/base"
"base =(454\\times 100)\/16.9=2,686.39"
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