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Finding the Fourth Proportional to 624,230.40, 861,440.16 and 337,750.48

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Solution

The fourth proportional to 624,230.40, 861,440.16 and 337,750.48 is: 466,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,230.40 : 861,440.16 = 337,750.48 : x
  2. Step 2: Convert to fraction form
    624,230.40/861,440.16 = 337,750.48/x
  3. Step 3: Cross multiply
    624,230.40x = 861,440.16 × 337,750.48
  4. Step 4: Simplify right side
    624,230.40x = 290,951,832,297.44
  5. Step 5: Solve for x
    x = 290,951,832,297.44/624,230.40
  6. Step 6: Final answer
    x = 466,096.87

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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.