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Finding the Fourth Proportional to 544,915.20, 817,372.80 and 484,780.80

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Solution

The fourth proportional to 544,915.20, 817,372.80 and 484,780.80 is: 727,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,915.20 : 817,372.80 = 484,780.80 : x
  2. Step 2: Convert to fraction form
    544,915.20/817,372.80 = 484,780.80/x
  3. Step 3: Cross multiply
    544,915.20x = 817,372.80 × 484,780.80
  4. Step 4: Simplify right side
    544,915.20x = 396,246,639,882.24
  5. Step 5: Solve for x
    x = 396,246,639,882.24/544,915.20
  6. Step 6: Final answer
    x = 727,171.20

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Similar ratio
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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.