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Finding the Fourth Proportional to 483,610.44, 725,976.12 and 259,408.74

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Solution

The fourth proportional to 483,610.44, 725,976.12 and 259,408.74 is: 389,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,610.44 : 725,976.12 = 259,408.74 : x
  2. Step 2: Convert to fraction form
    483,610.44/725,976.12 = 259,408.74/x
  3. Step 3: Cross multiply
    483,610.44x = 725,976.12 × 259,408.74
  4. Step 4: Simplify right side
    483,610.44x = 188,324,550,559.29
  5. Step 5: Solve for x
    x = 188,324,550,559.29/483,610.44
  6. Step 6: Final answer
    x = 389,413.74

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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.