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Finding the Fourth Proportional to 264.28, 396.84 and 173.14

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Solution

The fourth proportional to 264.28, 396.84 and 173.14 is: 259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.28 : 396.84 = 173.14 : x
  2. Step 2: Convert to fraction form
    264.28/396.84 = 173.14/x
  3. Step 3: Cross multiply
    264.28x = 396.84 × 173.14
  4. Step 4: Simplify right side
    264.28x = 68,708.88
  5. Step 5: Solve for x
    x = 68,708.88/264.28
  6. Step 6: Final answer
    x = 259.99

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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.