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Finding the Fourth Proportional to 543,912.39, 815,588.46 and 244,135.98

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Solution

The fourth proportional to 543,912.39, 815,588.46 and 244,135.98 is: 366,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,912.39 : 815,588.46 = 244,135.98 : x
  2. Step 2: Convert to fraction form
    543,912.39/815,588.46 = 244,135.98/x
  3. Step 3: Cross multiply
    543,912.39x = 815,588.46 × 244,135.98
  4. Step 4: Simplify right side
    543,912.39x = 199,114,487,958.79
  5. Step 5: Solve for x
    x = 199,114,487,958.79/543,912.39
  6. Step 6: Final answer
    x = 366,078.24

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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.