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Finding the Fourth Proportional to 341.93, 471.90 and 194.58

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Solution

The fourth proportional to 341.93, 471.90 and 194.58 is: 268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.93 : 471.90 = 194.58 : x
  2. Step 2: Convert to fraction form
    341.93/471.90 = 194.58/x
  3. Step 3: Cross multiply
    341.93x = 471.90 × 194.58
  4. Step 4: Simplify right side
    341.93x = 91,819.46
  5. Step 5: Solve for x
    x = 91,819.46/341.93
  6. Step 6: Final answer
    x = 268.53

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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.