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Finding the Fourth Proportional to 475,542.54, 712,867.28 and 159,778.62

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Solution

The fourth proportional to 475,542.54, 712,867.28 and 159,778.62 is: 239,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,542.54 : 712,867.28 = 159,778.62 : x
  2. Step 2: Convert to fraction form
    475,542.54/712,867.28 = 159,778.62/x
  3. Step 3: Cross multiply
    475,542.54x = 712,867.28 × 159,778.62
  4. Step 4: Simplify right side
    475,542.54x = 113,900,949,442.66
  5. Step 5: Solve for x
    x = 113,900,949,442.66/475,542.54
  6. Step 6: Final answer
    x = 239,517.90

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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.