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Finding the Fourth Proportional to 349.35, 482.11 and 191.99

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Solution

The fourth proportional to 349.35, 482.11 and 191.99 is: 264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.35 : 482.11 = 191.99 : x
  2. Step 2: Convert to fraction form
    349.35/482.11 = 191.99/x
  3. Step 3: Cross multiply
    349.35x = 482.11 × 191.99
  4. Step 4: Simplify right side
    349.35x = 92,559.34
  5. Step 5: Solve for x
    x = 92,559.34/349.35
  6. Step 6: Final answer
    x = 264.95

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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.