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Finding the Fourth Proportional to 359,155.12, 538,732.67 and 341,195.92

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Solution

The fourth proportional to 359,155.12, 538,732.67 and 341,195.92 is: 511,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,155.12 : 538,732.67 = 341,195.92 : x
  2. Step 2: Convert to fraction form
    359,155.12/538,732.67 = 341,195.92/x
  3. Step 3: Cross multiply
    359,155.12x = 538,732.67 × 341,195.92
  4. Step 4: Simplify right side
    359,155.12x = 183,813,387,841.12
  5. Step 5: Solve for x
    x = 183,813,387,841.12/359,155.12
  6. Step 6: Final answer
    x = 511,793.87

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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.