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Finding the Fourth Proportional to 475,227.92, 712,850.88 and 155,379.92

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Solution

The fourth proportional to 475,227.92, 712,850.88 and 155,379.92 is: 233,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,227.92 : 712,850.88 = 155,379.92 : x
  2. Step 2: Convert to fraction form
    475,227.92/712,850.88 = 155,379.92/x
  3. Step 3: Cross multiply
    475,227.92x = 712,850.88 × 155,379.92
  4. Step 4: Simplify right side
    475,227.92x = 110,762,712,706.33
  5. Step 5: Solve for x
    x = 110,762,712,706.33/475,227.92
  6. Step 6: Final answer
    x = 233,072.82

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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.