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Finding the Fourth Proportional to 394,498.66, 591,572.96 and 244,732.90

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Solution

The fourth proportional to 394,498.66, 591,572.96 and 244,732.90 is: 366,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,498.66 : 591,572.96 = 244,732.90 : x
  2. Step 2: Convert to fraction form
    394,498.66/591,572.96 = 244,732.90/x
  3. Step 3: Cross multiply
    394,498.66x = 591,572.96 × 244,732.90
  4. Step 4: Simplify right side
    394,498.66x = 144,777,366,062.38
  5. Step 5: Solve for x
    x = 144,777,366,062.38/394,498.66
  6. Step 6: Final answer
    x = 366,990.77

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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.