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Finding the Fourth Proportional to 616,320.72, 924,691.23 and 332,040.42

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Solution

The fourth proportional to 616,320.72, 924,691.23 and 332,040.42 is: 498,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,320.72 : 924,691.23 = 332,040.42 : x
  2. Step 2: Convert to fraction form
    616,320.72/924,691.23 = 332,040.42/x
  3. Step 3: Cross multiply
    616,320.72x = 924,691.23 × 332,040.42
  4. Step 4: Simplify right side
    616,320.72x = 307,034,864,379.52
  5. Step 5: Solve for x
    x = 307,034,864,379.52/616,320.72
  6. Step 6: Final answer
    x = 498,173.85

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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.