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Finding the Fourth Proportional to 629,901.80, 944,910.30 and 255,847.40

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Solution

The fourth proportional to 629,901.80, 944,910.30 and 255,847.40 is: 383,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,901.80 : 944,910.30 = 255,847.40 : x
  2. Step 2: Convert to fraction form
    629,901.80/944,910.30 = 255,847.40/x
  3. Step 3: Cross multiply
    629,901.80x = 944,910.30 × 255,847.40
  4. Step 4: Simplify right side
    629,901.80x = 241,752,843,488.22
  5. Step 5: Solve for x
    x = 241,752,843,488.22/629,901.80
  6. Step 6: Final answer
    x = 383,794.50

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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.