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Finding the Fourth Proportional to 267.47, 369.27 and 183.55

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Solution

The fourth proportional to 267.47, 369.27 and 183.55 is: 253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.47 : 369.27 = 183.55 : x
  2. Step 2: Convert to fraction form
    267.47/369.27 = 183.55/x
  3. Step 3: Cross multiply
    267.47x = 369.27 × 183.55
  4. Step 4: Simplify right side
    267.47x = 67,778.59
  5. Step 5: Solve for x
    x = 67,778.59/267.47
  6. Step 6: Final answer
    x = 253.40

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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.