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Finding the Fourth Proportional to 264.92, 365.09 and 191.10

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Solution

The fourth proportional to 264.92, 365.09 and 191.10 is: 263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.92 : 365.09 = 191.10 : x
  2. Step 2: Convert to fraction form
    264.92/365.09 = 191.10/x
  3. Step 3: Cross multiply
    264.92x = 365.09 × 191.10
  4. Step 4: Simplify right side
    264.92x = 69,769.11
  5. Step 5: Solve for x
    x = 69,769.11/264.92
  6. Step 6: Final answer
    x = 263.36

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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.