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Finding the Fourth Proportional to 408,952.88, 613,333.92 and 156,140.54

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Solution

The fourth proportional to 408,952.88, 613,333.92 and 156,140.54 is: 234,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,952.88 : 613,333.92 = 156,140.54 : x
  2. Step 2: Convert to fraction form
    408,952.88/613,333.92 = 156,140.54/x
  3. Step 3: Cross multiply
    408,952.88x = 613,333.92 × 156,140.54
  4. Step 4: Simplify right side
    408,952.88x = 95,766,289,469.12
  5. Step 5: Solve for x
    x = 95,766,289,469.12/408,952.88
  6. Step 6: Final answer
    x = 234,174.39

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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.