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Finding the Fourth Proportional to 394,500.38, 544,410.52 and 224,734.50

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Solution

The fourth proportional to 394,500.38, 544,410.52 and 224,734.50 is: 310,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,500.38 : 544,410.52 = 224,734.50 : x
  2. Step 2: Convert to fraction form
    394,500.38/544,410.52 = 224,734.50/x
  3. Step 3: Cross multiply
    394,500.38x = 544,410.52 × 224,734.50
  4. Step 4: Simplify right side
    394,500.38x = 122,347,825,445.10
  5. Step 5: Solve for x
    x = 122,347,825,445.10/394,500.38
  6. Step 6: Final answer
    x = 310,133.61

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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.