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Finding the Fourth Proportional to 264.19, 396.35 and 134.17

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Solution

The fourth proportional to 264.19, 396.35 and 134.17 is: 201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.19 : 396.35 = 134.17 : x
  2. Step 2: Convert to fraction form
    264.19/396.35 = 134.17/x
  3. Step 3: Cross multiply
    264.19x = 396.35 × 134.17
  4. Step 4: Simplify right side
    264.19x = 53,177.62
  5. Step 5: Solve for x
    x = 53,177.62/264.19
  6. Step 6: Final answer
    x = 201.29

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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.