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Finding the Fourth Proportional to 249.92, 374.55 and 184.55

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Solution

The fourth proportional to 249.92, 374.55 and 184.55 is: 276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.92 : 374.55 = 184.55 : x
  2. Step 2: Convert to fraction form
    249.92/374.55 = 184.55/x
  3. Step 3: Cross multiply
    249.92x = 374.55 × 184.55
  4. Step 4: Simplify right side
    249.92x = 69,123.20
  5. Step 5: Solve for x
    x = 69,123.20/249.92
  6. Step 6: Final answer
    x = 276.58

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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.