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Finding the Fourth Proportional to 264.55, 365.30 and 195

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Solution

The fourth proportional to 264.55, 365.30 and 195 is: 269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.55 : 365.30 = 195 : x
  2. Step 2: Convert to fraction form
    264.55/365.30 = 195/x
  3. Step 3: Cross multiply
    264.55x = 365.30 × 195
  4. Step 4: Simplify right side
    264.55x = 71,233.50
  5. Step 5: Solve for x
    x = 71,233.50/264.55
  6. Step 6: Final answer
    x = 269.26

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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.