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Finding the Fourth Proportional to 617,234.11, 925,658.97 and 217,781.29

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Solution

The fourth proportional to 617,234.11, 925,658.97 and 217,781.29 is: 326,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,234.11 : 925,658.97 = 217,781.29 : x
  2. Step 2: Convert to fraction form
    617,234.11/925,658.97 = 217,781.29/x
  3. Step 3: Cross multiply
    617,234.11x = 925,658.97 × 217,781.29
  4. Step 4: Simplify right side
    617,234.11x = 201,591,204,246.28
  5. Step 5: Solve for x
    x = 201,591,204,246.28/617,234.11
  6. Step 6: Final answer
    x = 326,604.12

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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.