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Finding the Fourth Proportional to 267.44, 401.42 and 240.16

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Solution

The fourth proportional to 267.44, 401.42 and 240.16 is: 360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.44 : 401.42 = 240.16 : x
  2. Step 2: Convert to fraction form
    267.44/401.42 = 240.16/x
  3. Step 3: Cross multiply
    267.44x = 401.42 × 240.16
  4. Step 4: Simplify right side
    267.44x = 96,405.03
  5. Step 5: Solve for x
    x = 96,405.03/267.44
  6. Step 6: Final answer
    x = 360.47

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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.