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Finding the Fourth Proportional to 484,234.10, 726,351.15 and 481,123.70

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Solution

The fourth proportional to 484,234.10, 726,351.15 and 481,123.70 is: 721,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,234.10 : 726,351.15 = 481,123.70 : x
  2. Step 2: Convert to fraction form
    484,234.10/726,351.15 = 481,123.70/x
  3. Step 3: Cross multiply
    484,234.10x = 726,351.15 × 481,123.70
  4. Step 4: Simplify right side
    484,234.10x = 349,464,752,787.26
  5. Step 5: Solve for x
    x = 349,464,752,787.26/484,234.10
  6. Step 6: Final answer
    x = 721,685.55

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Similar ratio
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1.5x scale

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.