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Finding the Fourth Proportional to 264.86, 397.04 and 134.67

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Solution

The fourth proportional to 264.86, 397.04 and 134.67 is: 201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.86 : 397.04 = 134.67 : x
  2. Step 2: Convert to fraction form
    264.86/397.04 = 134.67/x
  3. Step 3: Cross multiply
    264.86x = 397.04 × 134.67
  4. Step 4: Simplify right side
    264.86x = 53,468.70
  5. Step 5: Solve for x
    x = 53,468.70/264.86
  6. Step 6: Final answer
    x = 201.88

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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.