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Finding the Fourth Proportional to 403,824.60, 605,080.80 and 336,902.40

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Solution

The fourth proportional to 403,824.60, 605,080.80 and 336,902.40 is: 504,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,824.60 : 605,080.80 = 336,902.40 : x
  2. Step 2: Convert to fraction form
    403,824.60/605,080.80 = 336,902.40/x
  3. Step 3: Cross multiply
    403,824.60x = 605,080.80 × 336,902.40
  4. Step 4: Simplify right side
    403,824.60x = 203,853,173,713.92
  5. Step 5: Solve for x
    x = 203,853,173,713.92/403,824.60
  6. Step 6: Final answer
    x = 504,806.23

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