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Finding the Fourth Proportional to 546,797.70, 820,196.55 and 491,685.30

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Solution

The fourth proportional to 546,797.70, 820,196.55 and 491,685.30 is: 737,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,797.70 : 820,196.55 = 491,685.30 : x
  2. Step 2: Convert to fraction form
    546,797.70/820,196.55 = 491,685.30/x
  3. Step 3: Cross multiply
    546,797.70x = 820,196.55 × 491,685.30
  4. Step 4: Simplify right side
    546,797.70x = 403,278,586,745.72
  5. Step 5: Solve for x
    x = 403,278,586,745.72/546,797.70
  6. Step 6: Final answer
    x = 737,527.95

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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.