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Finding the Fourth Proportional to 264.96, 397.40 and 110.88

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Solution

The fourth proportional to 264.96, 397.40 and 110.88 is: 166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.96 : 397.40 = 110.88 : x
  2. Step 2: Convert to fraction form
    264.96/397.40 = 110.88/x
  3. Step 3: Cross multiply
    264.96x = 397.40 × 110.88
  4. Step 4: Simplify right side
    264.96x = 44,063.16
  5. Step 5: Solve for x
    x = 44,063.16/264.96
  6. Step 6: Final answer
    x = 166.30

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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.