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Finding the Fourth Proportional to 341.86, 471.75 and 194.53

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Solution

The fourth proportional to 341.86, 471.75 and 194.53 is: 268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.86 : 471.75 = 194.53 : x
  2. Step 2: Convert to fraction form
    341.86/471.75 = 194.53/x
  3. Step 3: Cross multiply
    341.86x = 471.75 × 194.53
  4. Step 4: Simplify right side
    341.86x = 91,769.53
  5. Step 5: Solve for x
    x = 91,769.53/341.86
  6. Step 6: Final answer
    x = 268.44

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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.