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Finding the Fourth Proportional to 341.95, 471.84 and 194.58

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Solution

The fourth proportional to 341.95, 471.84 and 194.58 is: 268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.95 : 471.84 = 194.58 : x
  2. Step 2: Convert to fraction form
    341.95/471.84 = 194.58/x
  3. Step 3: Cross multiply
    341.95x = 471.84 × 194.58
  4. Step 4: Simplify right side
    341.95x = 91,808.27
  5. Step 5: Solve for x
    x = 91,808.27/341.95
  6. Step 6: Final answer
    x = 268.49

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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.