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Finding the Fourth Proportional to 543,889.46, 815,553.80 and 244,113.05

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Solution

The fourth proportional to 543,889.46, 815,553.80 and 244,113.05 is: 366,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,889.46 : 815,553.80 = 244,113.05 : x
  2. Step 2: Convert to fraction form
    543,889.46/815,553.80 = 244,113.05/x
  3. Step 3: Cross multiply
    543,889.46x = 815,553.80 × 244,113.05
  4. Step 4: Simplify right side
    543,889.46x = 199,087,324,336.53
  5. Step 5: Solve for x
    x = 199,087,324,336.53/543,889.46
  6. Step 6: Final answer
    x = 366,043.73

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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.