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Finding the Fourth Proportional to 267.04, 401.12 and 231.36

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Solution

The fourth proportional to 267.04, 401.12 and 231.36 is: 347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.04 : 401.12 = 231.36 : x
  2. Step 2: Convert to fraction form
    267.04/401.12 = 231.36/x
  3. Step 3: Cross multiply
    267.04x = 401.12 × 231.36
  4. Step 4: Simplify right side
    267.04x = 92,803.12
  5. Step 5: Solve for x
    x = 92,803.12/267.04
  6. Step 6: Final answer
    x = 347.53

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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.