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Finding the Fourth Proportional to 264.59, 396.92 and 160.56

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Solution

The fourth proportional to 264.59, 396.92 and 160.56 is: 240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.59 : 396.92 = 160.56 : x
  2. Step 2: Convert to fraction form
    264.59/396.92 = 160.56/x
  3. Step 3: Cross multiply
    264.59x = 396.92 × 160.56
  4. Step 4: Simplify right side
    264.59x = 63,728.67
  5. Step 5: Solve for x
    x = 63,728.67/264.59
  6. Step 6: Final answer
    x = 240.86

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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.