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Finding the Fourth Proportional to 629,909.10, 944,863.65 and 605,414.70

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Solution

The fourth proportional to 629,909.10, 944,863.65 and 605,414.70 is: 908,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,909.10 : 944,863.65 = 605,414.70 : x
  2. Step 2: Convert to fraction form
    629,909.10/944,863.65 = 605,414.70/x
  3. Step 3: Cross multiply
    629,909.10x = 944,863.65 × 605,414.70
  4. Step 4: Simplify right side
    629,909.10x = 572,034,343,205.66
  5. Step 5: Solve for x
    x = 572,034,343,205.66/629,909.10
  6. Step 6: Final answer
    x = 908,122.05

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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.