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Finding the Fourth Proportional to 502,791.22, 754,024.83 and 165,753.46

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Solution

The fourth proportional to 502,791.22, 754,024.83 and 165,753.46 is: 248,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,791.22 : 754,024.83 = 165,753.46 : x
  2. Step 2: Convert to fraction form
    502,791.22/754,024.83 = 165,753.46/x
  3. Step 3: Cross multiply
    502,791.22x = 754,024.83 × 165,753.46
  4. Step 4: Simplify right side
    502,791.22x = 124,982,224,498.41
  5. Step 5: Solve for x
    x = 124,982,224,498.41/502,791.22
  6. Step 6: Final answer
    x = 248,576.78

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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.