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Finding the Fourth Proportional to 267.54, 400.76 and 176.28

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Solution

The fourth proportional to 267.54, 400.76 and 176.28 is: 264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.54 : 400.76 = 176.28 : x
  2. Step 2: Convert to fraction form
    267.54/400.76 = 176.28/x
  3. Step 3: Cross multiply
    267.54x = 400.76 × 176.28
  4. Step 4: Simplify right side
    267.54x = 70,645.97
  5. Step 5: Solve for x
    x = 70,645.97/267.54
  6. Step 6: Final answer
    x = 264.06

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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.