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Finding the Fourth Proportional to 413,885.52, 571,165.86 and 250,545.78

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Solution

The fourth proportional to 413,885.52, 571,165.86 and 250,545.78 is: 345,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,885.52 : 571,165.86 = 250,545.78 : x
  2. Step 2: Convert to fraction form
    413,885.52/571,165.86 = 250,545.78/x
  3. Step 3: Cross multiply
    413,885.52x = 571,165.86 × 250,545.78
  4. Step 4: Simplify right side
    413,885.52x = 143,103,195,903.07
  5. Step 5: Solve for x
    x = 143,103,195,903.07/413,885.52
  6. Step 6: Final answer
    x = 345,755.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.