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Finding the Fourth Proportional to 264.97, 397.11 and 110.72

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Solution

The fourth proportional to 264.97, 397.11 and 110.72 is: 165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.97 : 397.11 = 110.72 : x
  2. Step 2: Convert to fraction form
    264.97/397.11 = 110.72/x
  3. Step 3: Cross multiply
    264.97x = 397.11 × 110.72
  4. Step 4: Simplify right side
    264.97x = 43,965.48
  5. Step 5: Solve for x
    x = 43,965.48/264.97
  6. Step 6: Final answer
    x = 165.93

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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.