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Finding the Fourth Proportional to 262.35, 361.46 and 173.67

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Solution

The fourth proportional to 262.35, 361.46 and 173.67 is: 239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.35 : 361.46 = 173.67 : x
  2. Step 2: Convert to fraction form
    262.35/361.46 = 173.67/x
  3. Step 3: Cross multiply
    262.35x = 361.46 × 173.67
  4. Step 4: Simplify right side
    262.35x = 62,772.08
  5. Step 5: Solve for x
    x = 62,772.08/262.35
  6. Step 6: Final answer
    x = 239.27

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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.