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Finding the Fourth Proportional to 331,637.63, 457,733.79 and 210,755.34

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Solution

The fourth proportional to 331,637.63, 457,733.79 and 210,755.34 is: 290,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,637.63 : 457,733.79 = 210,755.34 : x
  2. Step 2: Convert to fraction form
    331,637.63/457,733.79 = 210,755.34/x
  3. Step 3: Cross multiply
    331,637.63x = 457,733.79 × 210,755.34
  4. Step 4: Simplify right side
    331,637.63x = 96,469,840,540.94
  5. Step 5: Solve for x
    x = 96,469,840,540.94/331,637.63
  6. Step 6: Final answer
    x = 290,889.31

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