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Finding the Fourth Proportional to 359,125.61, 538,847.10 and 188,306.53

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Solution

The fourth proportional to 359,125.61, 538,847.10 and 188,306.53 is: 282,543.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,125.61 : 538,847.10 = 188,306.53 : x
  2. Step 2: Convert to fraction form
    359,125.61/538,847.10 = 188,306.53/x
  3. Step 3: Cross multiply
    359,125.61x = 538,847.10 × 188,306.53
  4. Step 4: Simplify right side
    359,125.61x = 101,468,427,601.56
  5. Step 5: Solve for x
    x = 101,468,427,601.56/359,125.61
  6. Step 6: Final answer
    x = 282,543.00

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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.