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Finding the Fourth Proportional to 264.72, 396.48 and 173.46

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Solution

The fourth proportional to 264.72, 396.48 and 173.46 is: 259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.72 : 396.48 = 173.46 : x
  2. Step 2: Convert to fraction form
    264.72/396.48 = 173.46/x
  3. Step 3: Cross multiply
    264.72x = 396.48 × 173.46
  4. Step 4: Simplify right side
    264.72x = 68,773.42
  5. Step 5: Solve for x
    x = 68,773.42/264.72
  6. Step 6: Final answer
    x = 259.80

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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.