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Finding the Fourth Proportional to 262.97, 362.70 and 174.29

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Solution

The fourth proportional to 262.97, 362.70 and 174.29 is: 240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.97 : 362.70 = 174.29 : x
  2. Step 2: Convert to fraction form
    262.97/362.70 = 174.29/x
  3. Step 3: Cross multiply
    262.97x = 362.70 × 174.29
  4. Step 4: Simplify right side
    262.97x = 63,214.11
  5. Step 5: Solve for x
    x = 63,214.11/262.97
  6. Step 6: Final answer
    x = 240.39

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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.