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Finding the Fourth Proportional to 265.44, 396.04 and 249.84

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Solution

The fourth proportional to 265.44, 396.04 and 249.84 is: 372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.44 : 396.04 = 249.84 : x
  2. Step 2: Convert to fraction form
    265.44/396.04 = 249.84/x
  3. Step 3: Cross multiply
    265.44x = 396.04 × 249.84
  4. Step 4: Simplify right side
    265.44x = 98,946.63
  5. Step 5: Solve for x
    x = 98,946.63/265.44
  6. Step 6: Final answer
    x = 372.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.