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Finding the Fourth Proportional to 546,775.20, 820,162.80 and 481,821.30

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Solution

The fourth proportional to 546,775.20, 820,162.80 and 481,821.30 is: 722,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,775.20 : 820,162.80 = 481,821.30 : x
  2. Step 2: Convert to fraction form
    546,775.20/820,162.80 = 481,821.30/x
  3. Step 3: Cross multiply
    546,775.20x = 820,162.80 × 481,821.30
  4. Step 4: Simplify right side
    546,775.20x = 395,171,906,507.64
  5. Step 5: Solve for x
    x = 395,171,906,507.64/546,775.20
  6. Step 6: Final answer
    x = 722,731.95

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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.