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Finding the Fourth Proportional to 608.74, 913.11 and 175.92

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Solution

The fourth proportional to 608.74, 913.11 and 175.92 is: 263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.74 : 913.11 = 175.92 : x
  2. Step 2: Convert to fraction form
    608.74/913.11 = 175.92/x
  3. Step 3: Cross multiply
    608.74x = 913.11 × 175.92
  4. Step 4: Simplify right side
    608.74x = 160,634.31
  5. Step 5: Solve for x
    x = 160,634.31/608.74
  6. Step 6: Final answer
    x = 263.88

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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.