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Finding the Fourth Proportional to 394,101.25, 591,345.05 and 244,301.87

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Solution

The fourth proportional to 394,101.25, 591,345.05 and 244,301.87 is: 366,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,101.25 : 591,345.05 = 244,301.87 : x
  2. Step 2: Convert to fraction form
    394,101.25/591,345.05 = 244,301.87/x
  3. Step 3: Cross multiply
    394,101.25x = 591,345.05 × 244,301.87
  4. Step 4: Simplify right side
    394,101.25x = 144,466,701,530.24
  5. Step 5: Solve for x
    x = 144,466,701,530.24/394,101.25
  6. Step 6: Final answer
    x = 366,572.55

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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.