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Finding the Fourth Proportional to 416,213.20, 624,204.60 and 166,920.40

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Solution

The fourth proportional to 416,213.20, 624,204.60 and 166,920.40 is: 250,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,213.20 : 624,204.60 = 166,920.40 : x
  2. Step 2: Convert to fraction form
    416,213.20/624,204.60 = 166,920.40/x
  3. Step 3: Cross multiply
    416,213.20x = 624,204.60 × 166,920.40
  4. Step 4: Simplify right side
    416,213.20x = 104,192,481,513.84
  5. Step 5: Solve for x
    x = 104,192,481,513.84/416,213.20
  6. Step 6: Final answer
    x = 250,334.40

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