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Finding the Fourth Proportional to 359,549.80, 539,324.70 and 337,388.20

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Solution

The fourth proportional to 359,549.80, 539,324.70 and 337,388.20 is: 506,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,549.80 : 539,324.70 = 337,388.20 : x
  2. Step 2: Convert to fraction form
    359,549.80/539,324.70 = 337,388.20/x
  3. Step 3: Cross multiply
    359,549.80x = 539,324.70 × 337,388.20
  4. Step 4: Simplify right side
    359,549.80x = 181,961,789,748.54
  5. Step 5: Solve for x
    x = 181,961,789,748.54/359,549.80
  6. Step 6: Final answer
    x = 506,082.30

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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.