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Finding the Fourth Proportional to 262.07, 361.50 and 173.58

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Solution

The fourth proportional to 262.07, 361.50 and 173.58 is: 239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.07 : 361.50 = 173.58 : x
  2. Step 2: Convert to fraction form
    262.07/361.50 = 173.58/x
  3. Step 3: Cross multiply
    262.07x = 361.50 × 173.58
  4. Step 4: Simplify right side
    262.07x = 62,749.17
  5. Step 5: Solve for x
    x = 62,749.17/262.07
  6. Step 6: Final answer
    x = 239.44

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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.