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Finding the Fourth Proportional to 334.90, 462.11 and 195

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Solution

The fourth proportional to 334.90, 462.11 and 195 is: 269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.90 : 462.11 = 195 : x
  2. Step 2: Convert to fraction form
    334.90/462.11 = 195/x
  3. Step 3: Cross multiply
    334.90x = 462.11 × 195
  4. Step 4: Simplify right side
    334.90x = 90,110.48
  5. Step 5: Solve for x
    x = 90,110.48/334.90
  6. Step 6: Final answer
    x = 269.07

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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.