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Finding the Fourth Proportional to 481,956.20, 722,934.30 and 304,809.20

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Solution

The fourth proportional to 481,956.20, 722,934.30 and 304,809.20 is: 457,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,956.20 : 722,934.30 = 304,809.20 : x
  2. Step 2: Convert to fraction form
    481,956.20/722,934.30 = 304,809.20/x
  3. Step 3: Cross multiply
    481,956.20x = 722,934.30 × 304,809.20
  4. Step 4: Simplify right side
    481,956.20x = 220,357,025,635.56
  5. Step 5: Solve for x
    x = 220,357,025,635.56/481,956.20
  6. Step 6: Final answer
    x = 457,213.80

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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.