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Finding the Fourth Proportional to 341.47, 471.24 and 194.11

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Solution

The fourth proportional to 341.47, 471.24 and 194.11 is: 267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.47 : 471.24 = 194.11 : x
  2. Step 2: Convert to fraction form
    341.47/471.24 = 194.11/x
  3. Step 3: Cross multiply
    341.47x = 471.24 × 194.11
  4. Step 4: Simplify right side
    341.47x = 91,471.22
  5. Step 5: Solve for x
    x = 91,471.22/341.47
  6. Step 6: Final answer
    x = 267.88

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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.