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Finding the Fourth Proportional to 329,616.75, 494,131.91 and 119,207.91

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Solution

The fourth proportional to 329,616.75, 494,131.91 and 119,207.91 is: 178,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,616.75 : 494,131.91 = 119,207.91 : x
  2. Step 2: Convert to fraction form
    329,616.75/494,131.91 = 119,207.91/x
  3. Step 3: Cross multiply
    329,616.75x = 494,131.91 × 119,207.91
  4. Step 4: Simplify right side
    329,616.75x = 58,904,431,659.37
  5. Step 5: Solve for x
    x = 58,904,431,659.37/329,616.75
  6. Step 6: Final answer
    x = 178,705.82

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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.