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Finding the Fourth Proportional to 629,662.56, 944,516.88 and 255,677.28

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Solution

The fourth proportional to 629,662.56, 944,516.88 and 255,677.28 is: 383,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,662.56 : 944,516.88 = 255,677.28 : x
  2. Step 2: Convert to fraction form
    629,662.56/944,516.88 = 255,677.28/x
  3. Step 3: Cross multiply
    629,662.56x = 944,516.88 × 255,677.28
  4. Step 4: Simplify right side
    629,662.56x = 241,491,506,792.49
  5. Step 5: Solve for x
    x = 241,491,506,792.49/629,662.56
  6. Step 6: Final answer
    x = 383,525.28

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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.