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Finding the Fourth Proportional to 529,414.20, 794,121.30 and 494,422.20

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Solution

The fourth proportional to 529,414.20, 794,121.30 and 494,422.20 is: 741,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,414.20 : 794,121.30 = 494,422.20 : x
  2. Step 2: Convert to fraction form
    529,414.20/794,121.30 = 494,422.20/x
  3. Step 3: Cross multiply
    529,414.20x = 794,121.30 × 494,422.20
  4. Step 4: Simplify right side
    529,414.20x = 392,631,200,212.86
  5. Step 5: Solve for x
    x = 392,631,200,212.86/529,414.20
  6. Step 6: Final answer
    x = 741,633.30

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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.