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Finding the Fourth Proportional to 329,770.62, 494,581.20 and 167,500.18

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Solution

The fourth proportional to 329,770.62, 494,581.20 and 167,500.18 is: 251,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,770.62 : 494,581.20 = 167,500.18 : x
  2. Step 2: Convert to fraction form
    329,770.62/494,581.20 = 167,500.18/x
  3. Step 3: Cross multiply
    329,770.62x = 494,581.20 × 167,500.18
  4. Step 4: Simplify right side
    329,770.62x = 82,842,440,024.62
  5. Step 5: Solve for x
    x = 82,842,440,024.62/329,770.62
  6. Step 6: Final answer
    x = 251,212.31

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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.