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Finding the Fourth Proportional to 322.10, 483.17 and 167.88

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Solution

The fourth proportional to 322.10, 483.17 and 167.88 is: 251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.10 : 483.17 = 167.88 : x
  2. Step 2: Convert to fraction form
    322.10/483.17 = 167.88/x
  3. Step 3: Cross multiply
    322.10x = 483.17 × 167.88
  4. Step 4: Simplify right side
    322.10x = 81,113.74
  5. Step 5: Solve for x
    x = 81,113.74/322.10
  6. Step 6: Final answer
    x = 251.83

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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.