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Finding the Fourth Proportional to 231.32, 346.62 and 173.27

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Solution

The fourth proportional to 231.32, 346.62 and 173.27 is: 259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.32 : 346.62 = 173.27 : x
  2. Step 2: Convert to fraction form
    231.32/346.62 = 173.27/x
  3. Step 3: Cross multiply
    231.32x = 346.62 × 173.27
  4. Step 4: Simplify right side
    231.32x = 60,057.11
  5. Step 5: Solve for x
    x = 60,057.11/231.32
  6. Step 6: Final answer
    x = 259.63

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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.