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Finding the Fourth Proportional to 629,902.30, 944,911.05 and 255,847.90

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Solution

The fourth proportional to 629,902.30, 944,911.05 and 255,847.90 is: 383,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,902.30 : 944,911.05 = 255,847.90 : x
  2. Step 2: Convert to fraction form
    629,902.30/944,911.05 = 255,847.90/x
  3. Step 3: Cross multiply
    629,902.30x = 944,911.05 × 255,847.90
  4. Step 4: Simplify right side
    629,902.30x = 241,753,507,829.30
  5. Step 5: Solve for x
    x = 241,753,507,829.30/629,902.30
  6. Step 6: Final answer
    x = 383,795.25

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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.