Finding the Fourth Proportional to 334,740.12, 461,939.80 and 181,777.08
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Solution
The fourth proportional to 334,740.12, 461,939.80 and 181,777.08 is: 250,851.52
Step by Step Solution
- Step 1: Write the proportion equation
334,740.12 : 461,939.80 = 181,777.08 : x - Step 2: Convert to fraction form
334,740.12/461,939.80 = 181,777.08/x - Step 3: Cross multiply
334,740.12x = 461,939.80 × 181,777.08 - Step 4: Simplify right side
334,740.12x = 83,970,067,979.78 - Step 5: Solve for x
x = 83,970,067,979.78/334,740.12 - Step 6: Final answer
x = 250,851.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.