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Finding the Fourth Proportional to 344,306.10, 516,459.15 and 119,591.85

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Solution

The fourth proportional to 344,306.10, 516,459.15 and 119,591.85 is: 179,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,306.10 : 516,459.15 = 119,591.85 : x
  2. Step 2: Convert to fraction form
    344,306.10/516,459.15 = 119,591.85/x
  3. Step 3: Cross multiply
    344,306.10x = 516,459.15 × 119,591.85
  4. Step 4: Simplify right side
    344,306.10x = 61,764,305,197.93
  5. Step 5: Solve for x
    x = 61,764,305,197.93/344,306.10
  6. Step 6: Final answer
    x = 179,387.78

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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.