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Finding the Fourth Proportional to 373,227.84, 515,061.12 and 203,469.12

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Solution

The fourth proportional to 373,227.84, 515,061.12 and 203,469.12 is: 280,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,227.84 : 515,061.12 = 203,469.12 : x
  2. Step 2: Convert to fraction form
    373,227.84/515,061.12 = 203,469.12/x
  3. Step 3: Cross multiply
    373,227.84x = 515,061.12 × 203,469.12
  4. Step 4: Simplify right side
    373,227.84x = 104,799,032,832.61
  5. Step 5: Solve for x
    x = 104,799,032,832.61/373,227.84
  6. Step 6: Final answer
    x = 280,791.04

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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.