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Finding the Fourth Proportional to 262.35, 361.76 and 174.87

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Solution

The fourth proportional to 262.35, 361.76 and 174.87 is: 241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.35 : 361.76 = 174.87 : x
  2. Step 2: Convert to fraction form
    262.35/361.76 = 174.87/x
  3. Step 3: Cross multiply
    262.35x = 361.76 × 174.87
  4. Step 4: Simplify right side
    262.35x = 63,259.16
  5. Step 5: Solve for x
    x = 63,259.16/262.35
  6. Step 6: Final answer
    x = 241.13

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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.