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Finding the Fourth Proportional to 624,872.18, 862,324.44 and 338,392.73

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Solution

The fourth proportional to 624,872.18, 862,324.44 and 338,392.73 is: 466,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,872.18 : 862,324.44 = 338,392.73 : x
  2. Step 2: Convert to fraction form
    624,872.18/862,324.44 = 338,392.73/x
  3. Step 3: Cross multiply
    624,872.18x = 862,324.44 × 338,392.73
  4. Step 4: Simplify right side
    624,872.18x = 291,804,321,397.32
  5. Step 5: Solve for x
    x = 291,804,321,397.32/624,872.18
  6. Step 6: Final answer
    x = 466,982.42

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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.