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Finding the Fourth Proportional to 508,781.22, 763,240.17 and 269,011.29

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Solution

The fourth proportional to 508,781.22, 763,240.17 and 269,011.29 is: 403,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,781.22 : 763,240.17 = 269,011.29 : x
  2. Step 2: Convert to fraction form
    508,781.22/763,240.17 = 269,011.29/x
  3. Step 3: Cross multiply
    508,781.22x = 763,240.17 × 269,011.29
  4. Step 4: Simplify right side
    508,781.22x = 205,320,222,711.52
  5. Step 5: Solve for x
    x = 205,320,222,711.52/508,781.22
  6. Step 6: Final answer
    x = 403,553.07

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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.