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Finding the Fourth Proportional to 262.13, 361.74 and 184.64

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Solution

The fourth proportional to 262.13, 361.74 and 184.64 is: 254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.13 : 361.74 = 184.64 : x
  2. Step 2: Convert to fraction form
    262.13/361.74 = 184.64/x
  3. Step 3: Cross multiply
    262.13x = 361.74 × 184.64
  4. Step 4: Simplify right side
    262.13x = 66,791.67
  5. Step 5: Solve for x
    x = 66,791.67/262.13
  6. Step 6: Final answer
    x = 254.80

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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.