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Finding the Fourth Proportional to 267, 400.52 and 185.84

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Solution

The fourth proportional to 267, 400.52 and 185.84 is: 278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267 : 400.52 = 185.84 : x
  2. Step 2: Convert to fraction form
    267/400.52 = 185.84/x
  3. Step 3: Cross multiply
    267x = 400.52 × 185.84
  4. Step 4: Simplify right side
    267x = 74,432.64
  5. Step 5: Solve for x
    x = 74,432.64/267
  6. Step 6: Final answer
    x = 278.77

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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.