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Finding the Fourth Proportional to 264.27, 395.79 and 134.07

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Solution

The fourth proportional to 264.27, 395.79 and 134.07 is: 200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.27 : 395.79 = 134.07 : x
  2. Step 2: Convert to fraction form
    264.27/395.79 = 134.07/x
  3. Step 3: Cross multiply
    264.27x = 395.79 × 134.07
  4. Step 4: Simplify right side
    264.27x = 53,063.57
  5. Step 5: Solve for x
    x = 53,063.57/264.27
  6. Step 6: Final answer
    x = 200.79

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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.