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Finding the Fourth Proportional to 393,872.61, 591,001.70 and 244,072.83

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Solution

The fourth proportional to 393,872.61, 591,001.70 and 244,072.83 is: 366,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,872.61 : 591,001.70 = 244,072.83 : x
  2. Step 2: Convert to fraction form
    393,872.61/591,001.70 = 244,072.83/x
  3. Step 3: Cross multiply
    393,872.61x = 591,001.70 × 244,072.83
  4. Step 4: Simplify right side
    393,872.61x = 144,247,456,233.45
  5. Step 5: Solve for x
    x = 144,247,456,233.45/393,872.61
  6. Step 6: Final answer
    x = 366,228.71

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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.