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Finding the Fourth Proportional to 546,823.20, 820,234.80 and 491,710.80

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Solution

The fourth proportional to 546,823.20, 820,234.80 and 491,710.80 is: 737,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,823.20 : 820,234.80 = 491,710.80 : x
  2. Step 2: Convert to fraction form
    546,823.20/820,234.80 = 491,710.80/x
  3. Step 3: Cross multiply
    546,823.20x = 820,234.80 × 491,710.80
  4. Step 4: Simplify right side
    546,823.20x = 403,318,309,695.84
  5. Step 5: Solve for x
    x = 403,318,309,695.84/546,823.20
  6. Step 6: Final answer
    x = 737,566.20

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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.