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Finding the Fourth Proportional to 483,993.96, 725,517.06 and 270,865.95

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Solution

The fourth proportional to 483,993.96, 725,517.06 and 270,865.95 is: 406,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,993.96 : 725,517.06 = 270,865.95 : x
  2. Step 2: Convert to fraction form
    483,993.96/725,517.06 = 270,865.95/x
  3. Step 3: Cross multiply
    483,993.96x = 725,517.06 × 270,865.95
  4. Step 4: Simplify right side
    483,993.96x = 196,517,867,698.11
  5. Step 5: Solve for x
    x = 196,517,867,698.11/483,993.96
  6. Step 6: Final answer
    x = 406,033.72

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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.