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Finding the Fourth Proportional to 629,540.80, 944,426.40 and 255,601.60

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Solution

The fourth proportional to 629,540.80, 944,426.40 and 255,601.60 is: 383,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,540.80 : 944,426.40 = 255,601.60 : x
  2. Step 2: Convert to fraction form
    629,540.80/944,426.40 = 255,601.60/x
  3. Step 3: Cross multiply
    629,540.80x = 944,426.40 × 255,601.60
  4. Step 4: Simplify right side
    629,540.80x = 241,396,898,922.24
  5. Step 5: Solve for x
    x = 241,396,898,922.24/629,540.80
  6. Step 6: Final answer
    x = 383,449.17

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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.