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Finding the Fourth Proportional to 1,232,209.60, 1,844,685.60 and 918,059.20

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Solution

The fourth proportional to 1,232,209.60, 1,844,685.60 and 918,059.20 is: 1,374,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,209.60 : 1,844,685.60 = 918,059.20 : x
  2. Step 2: Convert to fraction form
    1,232,209.60/1,844,685.60 = 918,059.20/x
  3. Step 3: Cross multiply
    1,232,209.60x = 1,844,685.60 × 918,059.20
  4. Step 4: Simplify right side
    1,232,209.60x = 1,693,530,586,187.52
  5. Step 5: Solve for x
    x = 1,693,530,586,187.52/1,232,209.60
  6. Step 6: Final answer
    x = 1,374,385.16

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