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Finding the Fourth Proportional to 290,840.27, 436,025.09 and 130,799.00

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Solution

The fourth proportional to 290,840.27, 436,025.09 and 130,799.00 is: 196,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,840.27 : 436,025.09 = 130,799.00 : x
  2. Step 2: Convert to fraction form
    290,840.27/436,025.09 = 130,799.00/x
  3. Step 3: Cross multiply
    290,840.27x = 436,025.09 × 130,799.00
  4. Step 4: Simplify right side
    290,840.27x = 57,031,647,163.97
  5. Step 5: Solve for x
    x = 57,031,647,163.97/290,840.27
  6. Step 6: Final answer
    x = 196,092.68

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