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Finding the Fourth Proportional to 394,099.25, 591,342.05 and 244,299.87

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Solution

The fourth proportional to 394,099.25, 591,342.05 and 244,299.87 is: 366,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,099.25 : 591,342.05 = 244,299.87 : x
  2. Step 2: Convert to fraction form
    394,099.25/591,342.05 = 244,299.87/x
  3. Step 3: Cross multiply
    394,099.25x = 591,342.05 × 244,299.87
  4. Step 4: Simplify right side
    394,099.25x = 144,464,786,551.28
  5. Step 5: Solve for x
    x = 144,464,786,551.28/394,099.25
  6. Step 6: Final answer
    x = 366,569.56

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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.