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Finding the Fourth Proportional to 468,772.20, 646,905.66 and 253,912.34

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Solution

The fourth proportional to 468,772.20, 646,905.66 and 253,912.34 is: 350,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,772.20 : 646,905.66 = 253,912.34 : x
  2. Step 2: Convert to fraction form
    468,772.20/646,905.66 = 253,912.34/x
  3. Step 3: Cross multiply
    468,772.20x = 646,905.66 × 253,912.34
  4. Step 4: Simplify right side
    468,772.20x = 164,257,331,507.11
  5. Step 5: Solve for x
    x = 164,257,331,507.11/468,772.20
  6. Step 6: Final answer
    x = 350,399.05

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