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Finding the Fourth Proportional to 265.44, 366.29 and 147.42

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Solution

The fourth proportional to 265.44, 366.29 and 147.42 is: 203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.44 : 366.29 = 147.42 : x
  2. Step 2: Convert to fraction form
    265.44/366.29 = 147.42/x
  3. Step 3: Cross multiply
    265.44x = 366.29 × 147.42
  4. Step 4: Simplify right side
    265.44x = 53,997.73
  5. Step 5: Solve for x
    x = 53,997.73/265.44
  6. Step 6: Final answer
    x = 203.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.