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Finding the Fourth Proportional to 414,540.85, 621,811.27 and 115,021.48

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Solution

The fourth proportional to 414,540.85, 621,811.27 and 115,021.48 is: 172,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,540.85 : 621,811.27 = 115,021.48 : x
  2. Step 2: Convert to fraction form
    414,540.85/621,811.27 = 115,021.48/x
  3. Step 3: Cross multiply
    414,540.85x = 621,811.27 × 115,021.48
  4. Step 4: Simplify right side
    414,540.85x = 71,521,651,145.33
  5. Step 5: Solve for x
    x = 71,521,651,145.33/414,540.85
  6. Step 6: Final answer
    x = 172,532.22

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