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Finding the Fourth Proportional to 263.92, 363.60 and 190.11

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Solution

The fourth proportional to 263.92, 363.60 and 190.11 is: 261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.92 : 363.60 = 190.11 : x
  2. Step 2: Convert to fraction form
    263.92/363.60 = 190.11/x
  3. Step 3: Cross multiply
    263.92x = 363.60 × 190.11
  4. Step 4: Simplify right side
    263.92x = 69,124.00
  5. Step 5: Solve for x
    x = 69,124.00/263.92
  6. Step 6: Final answer
    x = 261.92

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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.