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Finding the Fourth Proportional to 303,309.56, 454,975.28 and 113,750.73

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Solution

The fourth proportional to 303,309.56, 454,975.28 and 113,750.73 is: 170,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,309.56 : 454,975.28 = 113,750.73 : x
  2. Step 2: Convert to fraction form
    303,309.56/454,975.28 = 113,750.73/x
  3. Step 3: Cross multiply
    303,309.56x = 454,975.28 × 113,750.73
  4. Step 4: Simplify right side
    303,309.56x = 51,753,770,231.95
  5. Step 5: Solve for x
    x = 51,753,770,231.95/303,309.56
  6. Step 6: Final answer
    x = 170,630.20

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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.