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Finding the Fourth Proportional to 629,903.80, 944,913.30 and 255,849.40

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Solution

The fourth proportional to 629,903.80, 944,913.30 and 255,849.40 is: 383,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,903.80 : 944,913.30 = 255,849.40 : x
  2. Step 2: Convert to fraction form
    629,903.80/944,913.30 = 255,849.40/x
  3. Step 3: Cross multiply
    629,903.80x = 944,913.30 × 255,849.40
  4. Step 4: Simplify right side
    629,903.80x = 241,755,500,857.02
  5. Step 5: Solve for x
    x = 241,755,500,857.02/629,903.80
  6. Step 6: Final answer
    x = 383,797.50

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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.