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Finding the Fourth Proportional to 624,882.44, 862,333.26 and 338,395.88

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Solution

The fourth proportional to 624,882.44, 862,333.26 and 338,395.88 is: 466,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,882.44 : 862,333.26 = 338,395.88 : x
  2. Step 2: Convert to fraction form
    624,882.44/862,333.26 = 338,395.88/x
  3. Step 3: Cross multiply
    624,882.44x = 862,333.26 × 338,395.88
  4. Step 4: Simplify right side
    624,882.44x = 291,810,022,370.97
  5. Step 5: Solve for x
    x = 291,810,022,370.97/624,882.44
  6. Step 6: Final answer
    x = 466,983.87

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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.