Finding the Fourth Proportional to 577,652.80, 866,479.20 and 409,691.20
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Solution
The fourth proportional to 577,652.80, 866,479.20 and 409,691.20 is: 614,536.80
Step by Step Solution
- Step 1: Write the proportion equation
577,652.80 : 866,479.20 = 409,691.20 : x - Step 2: Convert to fraction form
577,652.80/866,479.20 = 409,691.20/x - Step 3: Cross multiply
577,652.80x = 866,479.20 × 409,691.20 - Step 4: Simplify right side
577,652.80x = 354,988,903,223.04 - Step 5: Solve for x
x = 354,988,903,223.04/577,652.80 - Step 6: Final answer
x = 614,536.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.