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Finding the Fourth Proportional to 543,841.14, 815,481.49 and 244,064.73

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Solution

The fourth proportional to 543,841.14, 815,481.49 and 244,064.73 is: 365,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,841.14 : 815,481.49 = 244,064.73 : x
  2. Step 2: Convert to fraction form
    543,841.14/815,481.49 = 244,064.73/x
  3. Step 3: Cross multiply
    543,841.14x = 815,481.49 × 244,064.73
  4. Step 4: Simplify right side
    543,841.14x = 199,030,269,676.85
  5. Step 5: Solve for x
    x = 199,030,269,676.85/543,841.14
  6. Step 6: Final answer
    x = 365,971.34

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Double scale
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Similar ratio
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1.5x scale

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.