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Finding the Fourth Proportional to 329.56, 493.82 and 167.02

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Solution

The fourth proportional to 329.56, 493.82 and 167.02 is: 250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.56 : 493.82 = 167.02 : x
  2. Step 2: Convert to fraction form
    329.56/493.82 = 167.02/x
  3. Step 3: Cross multiply
    329.56x = 493.82 × 167.02
  4. Step 4: Simplify right side
    329.56x = 82,477.82
  5. Step 5: Solve for x
    x = 82,477.82/329.56
  6. Step 6: Final answer
    x = 250.27

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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.