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Finding the Fourth Proportional to 591,167.92, 887,105.16 and 217,228.72

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Solution

The fourth proportional to 591,167.92, 887,105.16 and 217,228.72 is: 325,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,167.92 : 887,105.16 = 217,228.72 : x
  2. Step 2: Convert to fraction form
    591,167.92/887,105.16 = 217,228.72/x
  3. Step 3: Cross multiply
    591,167.92x = 887,105.16 × 217,228.72
  4. Step 4: Simplify right side
    591,167.92x = 192,704,718,412.20
  5. Step 5: Solve for x
    x = 192,704,718,412.20/591,167.92
  6. Step 6: Final answer
    x = 325,972.90

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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.