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Finding the Fourth Proportional to 494,694.40, 741,046.50 and 374,956.15

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Solution

The fourth proportional to 494,694.40, 741,046.50 and 374,956.15 is: 561,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,694.40 : 741,046.50 = 374,956.15 : x
  2. Step 2: Convert to fraction form
    494,694.40/741,046.50 = 374,956.15/x
  3. Step 3: Cross multiply
    494,694.40x = 741,046.50 × 374,956.15
  4. Step 4: Simplify right side
    494,694.40x = 277,859,942,610.98
  5. Step 5: Solve for x
    x = 277,859,942,610.98/494,694.40
  6. Step 6: Final answer
    x = 561,679.98

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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.