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Finding the Fourth Proportional to 543,867.39, 815,520.96 and 244,090.98

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Solution

The fourth proportional to 543,867.39, 815,520.96 and 244,090.98 is: 366,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,867.39 : 815,520.96 = 244,090.98 : x
  2. Step 2: Convert to fraction form
    543,867.39/815,520.96 = 244,090.98/x
  3. Step 3: Cross multiply
    543,867.39x = 815,520.96 × 244,090.98
  4. Step 4: Simplify right side
    543,867.39x = 199,061,310,336.94
  5. Step 5: Solve for x
    x = 199,061,310,336.94/543,867.39
  6. Step 6: Final answer
    x = 366,010.75

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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.