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Finding the Fourth Proportional to 264.42, 396.64 and 110.35

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Solution

The fourth proportional to 264.42, 396.64 and 110.35 is: 165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.42 : 396.64 = 110.35 : x
  2. Step 2: Convert to fraction form
    264.42/396.64 = 110.35/x
  3. Step 3: Cross multiply
    264.42x = 396.64 × 110.35
  4. Step 4: Simplify right side
    264.42x = 43,769.22
  5. Step 5: Solve for x
    x = 43,769.22/264.42
  6. Step 6: Final answer
    x = 165.53

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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.