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Finding the Fourth Proportional to 267.85, 401.91 and 176.59

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Solution

The fourth proportional to 267.85, 401.91 and 176.59 is: 264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.85 : 401.91 = 176.59 : x
  2. Step 2: Convert to fraction form
    267.85/401.91 = 176.59/x
  3. Step 3: Cross multiply
    267.85x = 401.91 × 176.59
  4. Step 4: Simplify right side
    267.85x = 70,973.29
  5. Step 5: Solve for x
    x = 70,973.29/267.85
  6. Step 6: Final answer
    x = 264.97

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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.