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Finding the Fourth Proportional to 323,691.97, 446,686.30 and 187,717.41

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Solution

The fourth proportional to 323,691.97, 446,686.30 and 187,717.41 is: 259,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,691.97 : 446,686.30 = 187,717.41 : x
  2. Step 2: Convert to fraction form
    323,691.97/446,686.30 = 187,717.41/x
  3. Step 3: Cross multiply
    323,691.97x = 446,686.30 × 187,717.41
  4. Step 4: Simplify right side
    323,691.97x = 83,850,795,318.48
  5. Step 5: Solve for x
    x = 83,850,795,318.48/323,691.97
  6. Step 6: Final answer
    x = 259,045.03

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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.