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Finding the Fourth Proportional to 349.03, 482.30 and 232.75

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Solution

The fourth proportional to 349.03, 482.30 and 232.75 is: 321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.03 : 482.30 = 232.75 : x
  2. Step 2: Convert to fraction form
    349.03/482.30 = 232.75/x
  3. Step 3: Cross multiply
    349.03x = 482.30 × 232.75
  4. Step 4: Simplify right side
    349.03x = 112,255.33
  5. Step 5: Solve for x
    x = 112,255.33/349.03
  6. Step 6: Final answer
    x = 321.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.