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Finding the Fourth Proportional to 629,377.86, 944,460.46 and 255,400.86

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Solution

The fourth proportional to 629,377.86, 944,460.46 and 255,400.86 is: 383,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,377.86 : 944,460.46 = 255,400.86 : x
  2. Step 2: Convert to fraction form
    629,377.86/944,460.46 = 255,400.86/x
  3. Step 3: Cross multiply
    629,377.86x = 944,460.46 × 255,400.86
  4. Step 4: Simplify right side
    629,377.86x = 241,216,013,720.00
  5. Step 5: Solve for x
    x = 241,216,013,720.00/629,377.86
  6. Step 6: Final answer
    x = 383,261.04

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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.