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Finding the Fourth Proportional to 262.69, 393.73 and 175.96

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Solution

The fourth proportional to 262.69, 393.73 and 175.96 is: 263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.69 : 393.73 = 175.96 : x
  2. Step 2: Convert to fraction form
    262.69/393.73 = 175.96/x
  3. Step 3: Cross multiply
    262.69x = 393.73 × 175.96
  4. Step 4: Simplify right side
    262.69x = 69,278.76
  5. Step 5: Solve for x
    x = 69,278.76/262.69
  6. Step 6: Final answer
    x = 263.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.