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Finding the Fourth Proportional to 264.15, 395.67 and 167.49

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Solution

The fourth proportional to 264.15, 395.67 and 167.49 is: 250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.15 : 395.67 = 167.49 : x
  2. Step 2: Convert to fraction form
    264.15/395.67 = 167.49/x
  3. Step 3: Cross multiply
    264.15x = 395.67 × 167.49
  4. Step 4: Simplify right side
    264.15x = 66,270.77
  5. Step 5: Solve for x
    x = 66,270.77/264.15
  6. Step 6: Final answer
    x = 250.88

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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.