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Finding the Fourth Proportional to 262.92, 362.67 and 193.26

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Solution

The fourth proportional to 262.92, 362.67 and 193.26 is: 266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.92 : 362.67 = 193.26 : x
  2. Step 2: Convert to fraction form
    262.92/362.67 = 193.26/x
  3. Step 3: Cross multiply
    262.92x = 362.67 × 193.26
  4. Step 4: Simplify right side
    262.92x = 70,089.60
  5. Step 5: Solve for x
    x = 70,089.60/262.92
  6. Step 6: Final answer
    x = 266.58

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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.