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Finding the Fourth Proportional to 267.13, 400.85 and 246.47

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Solution

The fourth proportional to 267.13, 400.85 and 246.47 is: 369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.13 : 400.85 = 246.47 : x
  2. Step 2: Convert to fraction form
    267.13/400.85 = 246.47/x
  3. Step 3: Cross multiply
    267.13x = 400.85 × 246.47
  4. Step 4: Simplify right side
    267.13x = 98,796.27
  5. Step 5: Solve for x
    x = 98,796.27/267.13
  6. Step 6: Final answer
    x = 369.85

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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.