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Finding the Fourth Proportional to 267.84, 401.22 and 195.48

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Solution

The fourth proportional to 267.84, 401.22 and 195.48 is: 292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.84 : 401.22 = 195.48 : x
  2. Step 2: Convert to fraction form
    267.84/401.22 = 195.48/x
  3. Step 3: Cross multiply
    267.84x = 401.22 × 195.48
  4. Step 4: Simplify right side
    267.84x = 78,430.49
  5. Step 5: Solve for x
    x = 78,430.49/267.84
  6. Step 6: Final answer
    x = 292.83

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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.