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Finding the Fourth Proportional to 754,720, 1,040,663.28 and 582,245.44

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Solution

The fourth proportional to 754,720, 1,040,663.28 and 582,245.44 is: 802,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,720 : 1,040,663.28 = 582,245.44 : x
  2. Step 2: Convert to fraction form
    754,720/1,040,663.28 = 582,245.44/x
  3. Step 3: Cross multiply
    754,720x = 1,040,663.28 × 582,245.44
  4. Step 4: Simplify right side
    754,720x = 605,921,449,355.44
  5. Step 5: Solve for x
    x = 605,921,449,355.44/754,720
  6. Step 6: Final answer
    x = 802,842.71

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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.