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Finding the Fourth Proportional to 754.24, 1,040.06 and 596.62

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Solution

The fourth proportional to 754.24, 1,040.06 and 596.62 is: 822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.24 : 1,040.06 = 596.62 : x
  2. Step 2: Convert to fraction form
    754.24/1,040.06 = 596.62/x
  3. Step 3: Cross multiply
    754.24x = 1,040.06 × 596.62
  4. Step 4: Simplify right side
    754.24x = 620,522.09
  5. Step 5: Solve for x
    x = 620,522.09/754.24
  6. Step 6: Final answer
    x = 822.71

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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.