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Finding the Fourth Proportional to 629,451.84, 944,346.24 and 274,494.72

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Solution

The fourth proportional to 629,451.84, 944,346.24 and 274,494.72 is: 411,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,451.84 : 944,346.24 = 274,494.72 : x
  2. Step 2: Convert to fraction form
    629,451.84/944,346.24 = 274,494.72/x
  3. Step 3: Cross multiply
    629,451.84x = 944,346.24 × 274,494.72
  4. Step 4: Simplify right side
    629,451.84x = 259,218,056,731.85
  5. Step 5: Solve for x
    x = 259,218,056,731.85/629,451.84
  6. Step 6: Final answer
    x = 411,815.55

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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.