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Finding the Fourth Proportional to 624,991.72, 937,338.90 and 269,811.40

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Solution

The fourth proportional to 624,991.72, 937,338.90 and 269,811.40 is: 404,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,991.72 : 937,338.90 = 269,811.40 : x
  2. Step 2: Convert to fraction form
    624,991.72/937,338.90 = 269,811.40/x
  3. Step 3: Cross multiply
    624,991.72x = 937,338.90 × 269,811.40
  4. Step 4: Simplify right side
    624,991.72x = 252,904,720,883.46
  5. Step 5: Solve for x
    x = 252,904,720,883.46/624,991.72
  6. Step 6: Final answer
    x = 404,652.91

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