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Finding the Fourth Proportional to 491,930.80, 737,896.20 and 404,450.80

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Solution

The fourth proportional to 491,930.80, 737,896.20 and 404,450.80 is: 606,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,930.80 : 737,896.20 = 404,450.80 : x
  2. Step 2: Convert to fraction form
    491,930.80/737,896.20 = 404,450.80/x
  3. Step 3: Cross multiply
    491,930.80x = 737,896.20 × 404,450.80
  4. Step 4: Simplify right side
    491,930.80x = 298,442,708,406.96
  5. Step 5: Solve for x
    x = 298,442,708,406.96/491,930.80
  6. Step 6: Final answer
    x = 606,676.20

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