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Finding the Fourth Proportional to 267.36, 368.46 and 200.87

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Solution

The fourth proportional to 267.36, 368.46 and 200.87 is: 276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.36 : 368.46 = 200.87 : x
  2. Step 2: Convert to fraction form
    267.36/368.46 = 200.87/x
  3. Step 3: Cross multiply
    267.36x = 368.46 × 200.87
  4. Step 4: Simplify right side
    267.36x = 74,010.72
  5. Step 5: Solve for x
    x = 74,010.72/267.36
  6. Step 6: Final answer
    x = 276.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.