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Finding the Fourth Proportional to 262.29, 361.67 and 183.69

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Solution

The fourth proportional to 262.29, 361.67 and 183.69 is: 253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.29 : 361.67 = 183.69 : x
  2. Step 2: Convert to fraction form
    262.29/361.67 = 183.69/x
  3. Step 3: Cross multiply
    262.29x = 361.67 × 183.69
  4. Step 4: Simplify right side
    262.29x = 66,435.16
  5. Step 5: Solve for x
    x = 66,435.16/262.29
  6. Step 6: Final answer
    x = 253.29

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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.