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Finding the Fourth Proportional to 341.67, 471.69 and 231.24

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Solution

The fourth proportional to 341.67, 471.69 and 231.24 is: 319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.67 : 471.69 = 231.24 : x
  2. Step 2: Convert to fraction form
    341.67/471.69 = 231.24/x
  3. Step 3: Cross multiply
    341.67x = 471.69 × 231.24
  4. Step 4: Simplify right side
    341.67x = 109,073.60
  5. Step 5: Solve for x
    x = 109,073.60/341.67
  6. Step 6: Final answer
    x = 319.24

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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.