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Finding the Fourth Proportional to 624,462.60, 861,760.74 and 337,982.76

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Solution

The fourth proportional to 624,462.60, 861,760.74 and 337,982.76 is: 466,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,462.60 : 861,760.74 = 337,982.76 : x
  2. Step 2: Convert to fraction form
    624,462.60/861,760.74 = 337,982.76/x
  3. Step 3: Cross multiply
    624,462.60x = 861,760.74 × 337,982.76
  4. Step 4: Simplify right side
    624,462.60x = 291,260,273,364.84
  5. Step 5: Solve for x
    x = 291,260,273,364.84/624,462.60
  6. Step 6: Final answer
    x = 466,417.48

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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.