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Finding the Fourth Proportional to 546,760.20, 820,140.30 and 534,472.20

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Solution

The fourth proportional to 546,760.20, 820,140.30 and 534,472.20 is: 801,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,760.20 : 820,140.30 = 534,472.20 : x
  2. Step 2: Convert to fraction form
    546,760.20/820,140.30 = 534,472.20/x
  3. Step 3: Cross multiply
    546,760.20x = 820,140.30 × 534,472.20
  4. Step 4: Simplify right side
    546,760.20x = 438,342,190,449.66
  5. Step 5: Solve for x
    x = 438,342,190,449.66/546,760.20
  6. Step 6: Final answer
    x = 801,708.30

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Double scale
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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.