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Finding the Fourth Proportional to 543,252.20, 814,955.10 and 169,236.20

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Solution

The fourth proportional to 543,252.20, 814,955.10 and 169,236.20 is: 253,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,252.20 : 814,955.10 = 169,236.20 : x
  2. Step 2: Convert to fraction form
    543,252.20/814,955.10 = 169,236.20/x
  3. Step 3: Cross multiply
    543,252.20x = 814,955.10 × 169,236.20
  4. Step 4: Simplify right side
    543,252.20x = 137,919,904,294.62
  5. Step 5: Solve for x
    x = 137,919,904,294.62/543,252.20
  6. Step 6: Final answer
    x = 253,878.23

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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.