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Finding the Fourth Proportional to 494,579.59, 741,855.48 and 157,640.43

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Solution

The fourth proportional to 494,579.59, 741,855.48 and 157,640.43 is: 236,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,579.59 : 741,855.48 = 157,640.43 : x
  2. Step 2: Convert to fraction form
    494,579.59/741,855.48 = 157,640.43/x
  3. Step 3: Cross multiply
    494,579.59x = 741,855.48 × 157,640.43
  4. Step 4: Simplify right side
    494,579.59x = 116,946,414,882.93
  5. Step 5: Solve for x
    x = 116,946,414,882.93/494,579.59
  6. Step 6: Final answer
    x = 236,456.21

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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.