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Finding the Fourth Proportional to 341.97, 471.98 and 194.69

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Solution

The fourth proportional to 341.97, 471.98 and 194.69 is: 268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.97 : 471.98 = 194.69 : x
  2. Step 2: Convert to fraction form
    341.97/471.98 = 194.69/x
  3. Step 3: Cross multiply
    341.97x = 471.98 × 194.69
  4. Step 4: Simplify right side
    341.97x = 91,887.91
  5. Step 5: Solve for x
    x = 91,887.91/341.97
  6. Step 6: Final answer
    x = 268.70

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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.