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Finding the Fourth Proportional to 366.34, 505.50 and 267.92

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Solution

The fourth proportional to 366.34, 505.50 and 267.92 is: 369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.34 : 505.50 = 267.92 : x
  2. Step 2: Convert to fraction form
    366.34/505.50 = 267.92/x
  3. Step 3: Cross multiply
    366.34x = 505.50 × 267.92
  4. Step 4: Simplify right side
    366.34x = 135,433.56
  5. Step 5: Solve for x
    x = 135,433.56/366.34
  6. Step 6: Final answer
    x = 369.69

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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.