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Finding the Fourth Proportional to 551,496.60, 827,244.90 and 314,863.20

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Solution

The fourth proportional to 551,496.60, 827,244.90 and 314,863.20 is: 472,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,496.60 : 827,244.90 = 314,863.20 : x
  2. Step 2: Convert to fraction form
    551,496.60/827,244.90 = 314,863.20/x
  3. Step 3: Cross multiply
    551,496.60x = 827,244.90 × 314,863.20
  4. Step 4: Simplify right side
    551,496.60x = 260,468,976,397.68
  5. Step 5: Solve for x
    x = 260,468,976,397.68/551,496.60
  6. Step 6: Final answer
    x = 472,294.80

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Similar ratio
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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.