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Finding the Fourth Proportional to 629,949.80, 944,924.70 and 619,452.20

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Solution

The fourth proportional to 629,949.80, 944,924.70 and 619,452.20 is: 929,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,949.80 : 944,924.70 = 619,452.20 : x
  2. Step 2: Convert to fraction form
    629,949.80/944,924.70 = 619,452.20/x
  3. Step 3: Cross multiply
    629,949.80x = 944,924.70 × 619,452.20
  4. Step 4: Simplify right side
    629,949.80x = 585,335,684,249.34
  5. Step 5: Solve for x
    x = 585,335,684,249.34/629,949.80
  6. Step 6: Final answer
    x = 929,178.30

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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.