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Finding the Fourth Proportional to 629,916.60, 944,874.90 and 377,974.20

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Solution

The fourth proportional to 629,916.60, 944,874.90 and 377,974.20 is: 566,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,916.60 : 944,874.90 = 377,974.20 : x
  2. Step 2: Convert to fraction form
    629,916.60/944,874.90 = 377,974.20/x
  3. Step 3: Cross multiply
    629,916.60x = 944,874.90 × 377,974.20
  4. Step 4: Simplify right side
    629,916.60x = 357,138,334,427.58
  5. Step 5: Solve for x
    x = 357,138,334,427.58/629,916.60
  6. Step 6: Final answer
    x = 566,961.30

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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.