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Finding the Fourth Proportional to 267.34, 368.34 and 200.65

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Solution

The fourth proportional to 267.34, 368.34 and 200.65 is: 276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.34 : 368.34 = 200.65 : x
  2. Step 2: Convert to fraction form
    267.34/368.34 = 200.65/x
  3. Step 3: Cross multiply
    267.34x = 368.34 × 200.65
  4. Step 4: Simplify right side
    267.34x = 73,907.42
  5. Step 5: Solve for x
    x = 73,907.42/267.34
  6. Step 6: Final answer
    x = 276.45

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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.