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Finding the Fourth Proportional to 483,903.99, 726,003.60 and 247,412.73

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Solution

The fourth proportional to 483,903.99, 726,003.60 and 247,412.73 is: 371,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,903.99 : 726,003.60 = 247,412.73 : x
  2. Step 2: Convert to fraction form
    483,903.99/726,003.60 = 247,412.73/x
  3. Step 3: Cross multiply
    483,903.99x = 726,003.60 × 247,412.73
  4. Step 4: Simplify right side
    483,903.99x = 179,622,532,665.83
  5. Step 5: Solve for x
    x = 179,622,532,665.83/483,903.99
  6. Step 6: Final answer
    x = 371,194.57

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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.