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Finding the Fourth Proportional to 329.37, 494.05 and 167.10

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Solution

The fourth proportional to 329.37, 494.05 and 167.10 is: 250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.37 : 494.05 = 167.10 : x
  2. Step 2: Convert to fraction form
    329.37/494.05 = 167.10/x
  3. Step 3: Cross multiply
    329.37x = 494.05 × 167.10
  4. Step 4: Simplify right side
    329.37x = 82,555.76
  5. Step 5: Solve for x
    x = 82,555.76/329.37
  6. Step 6: Final answer
    x = 250.65

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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.