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Finding the Fourth Proportional to 1,232,410.80, 1,848,616.20 and 345,946.80

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Solution

The fourth proportional to 1,232,410.80, 1,848,616.20 and 345,946.80 is: 518,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,410.80 : 1,848,616.20 = 345,946.80 : x
  2. Step 2: Convert to fraction form
    1,232,410.80/1,848,616.20 = 345,946.80/x
  3. Step 3: Cross multiply
    1,232,410.80x = 1,848,616.20 × 345,946.80
  4. Step 4: Simplify right side
    1,232,410.80x = 639,522,858,818.16
  5. Step 5: Solve for x
    x = 639,522,858,818.16/1,232,410.80
  6. Step 6: Final answer
    x = 518,920.20

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