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Finding the Fourth Proportional to 463,348.20, 694,244.70 and 396,474.60

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Solution

The fourth proportional to 463,348.20, 694,244.70 and 396,474.60 is: 594,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,348.20 : 694,244.70 = 396,474.60 : x
  2. Step 2: Convert to fraction form
    463,348.20/694,244.70 = 396,474.60/x
  3. Step 3: Cross multiply
    463,348.20x = 694,244.70 × 396,474.60
  4. Step 4: Simplify right side
    463,348.20x = 275,250,389,734.62
  5. Step 5: Solve for x
    x = 275,250,389,734.62/463,348.20
  6. Step 6: Final answer
    x = 594,046.53

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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.