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Finding the Fourth Proportional to 267.26, 400.41 and 185.94

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Solution

The fourth proportional to 267.26, 400.41 and 185.94 is: 278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.26 : 400.41 = 185.94 : x
  2. Step 2: Convert to fraction form
    267.26/400.41 = 185.94/x
  3. Step 3: Cross multiply
    267.26x = 400.41 × 185.94
  4. Step 4: Simplify right side
    267.26x = 74,452.24
  5. Step 5: Solve for x
    x = 74,452.24/267.26
  6. Step 6: Final answer
    x = 278.58

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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.