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Finding the Fourth Proportional to 262.07, 361.72 and 179.38

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Solution

The fourth proportional to 262.07, 361.72 and 179.38 is: 247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.07 : 361.72 = 179.38 : x
  2. Step 2: Convert to fraction form
    262.07/361.72 = 179.38/x
  3. Step 3: Cross multiply
    262.07x = 361.72 × 179.38
  4. Step 4: Simplify right side
    262.07x = 64,886.01
  5. Step 5: Solve for x
    x = 64,886.01/262.07
  6. Step 6: Final answer
    x = 247.59

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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.