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Finding the Fourth Proportional to 394,385.46, 544,251.96 and 224,635.38

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Solution

The fourth proportional to 394,385.46, 544,251.96 and 224,635.38 is: 309,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,385.46 : 544,251.96 = 224,635.38 : x
  2. Step 2: Convert to fraction form
    394,385.46/544,251.96 = 224,635.38/x
  3. Step 3: Cross multiply
    394,385.46x = 544,251.96 × 224,635.38
  4. Step 4: Simplify right side
    394,385.46x = 122,258,245,850.35
  5. Step 5: Solve for x
    x = 122,258,245,850.35/394,385.46
  6. Step 6: Final answer
    x = 309,996.84

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1.5x scale

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.