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Finding the Fourth Proportional to 264.73, 396.86 and 134.66

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Solution

The fourth proportional to 264.73, 396.86 and 134.66 is: 201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.73 : 396.86 = 134.66 : x
  2. Step 2: Convert to fraction form
    264.73/396.86 = 134.66/x
  3. Step 3: Cross multiply
    264.73x = 396.86 × 134.66
  4. Step 4: Simplify right side
    264.73x = 53,442.17
  5. Step 5: Solve for x
    x = 53,442.17/264.73
  6. Step 6: Final answer
    x = 201.87

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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.