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Finding the Fourth Proportional to 543,358.12, 814,929.30 and 273,414.28

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Solution

The fourth proportional to 543,358.12, 814,929.30 and 273,414.28 is: 410,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,358.12 : 814,929.30 = 273,414.28 : x
  2. Step 2: Convert to fraction form
    543,358.12/814,929.30 = 273,414.28/x
  3. Step 3: Cross multiply
    543,358.12x = 814,929.30 × 273,414.28
  4. Step 4: Simplify right side
    543,358.12x = 222,813,307,810.40
  5. Step 5: Solve for x
    x = 222,813,307,810.40/543,358.12
  6. Step 6: Final answer
    x = 410,067.14

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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.