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Finding the Fourth Proportional to 475,862.29, 656,732.09 and 261,044.21

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Solution

The fourth proportional to 475,862.29, 656,732.09 and 261,044.21 is: 360,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,862.29 : 656,732.09 = 261,044.21 : x
  2. Step 2: Convert to fraction form
    475,862.29/656,732.09 = 261,044.21/x
  3. Step 3: Cross multiply
    475,862.29x = 656,732.09 × 261,044.21
  4. Step 4: Simplify right side
    475,862.29x = 171,436,109,615.70
  5. Step 5: Solve for x
    x = 171,436,109,615.70/475,862.29
  6. Step 6: Final answer
    x = 360,264.12

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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.