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Finding the Fourth Proportional to 334.11, 460.95 and 194.21

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Solution

The fourth proportional to 334.11, 460.95 and 194.21 is: 267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.11 : 460.95 = 194.21 : x
  2. Step 2: Convert to fraction form
    334.11/460.95 = 194.21/x
  3. Step 3: Cross multiply
    334.11x = 460.95 × 194.21
  4. Step 4: Simplify right side
    334.11x = 89,521.10
  5. Step 5: Solve for x
    x = 89,521.10/334.11
  6. Step 6: Final answer
    x = 267.94

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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.