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Finding the Fourth Proportional to 299.25, 448.82 and 167.34

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Solution

The fourth proportional to 299.25, 448.82 and 167.34 is: 250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.25 : 448.82 = 167.34 : x
  2. Step 2: Convert to fraction form
    299.25/448.82 = 167.34/x
  3. Step 3: Cross multiply
    299.25x = 448.82 × 167.34
  4. Step 4: Simplify right side
    299.25x = 75,105.54
  5. Step 5: Solve for x
    x = 75,105.54/299.25
  6. Step 6: Final answer
    x = 250.98

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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.