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Finding the Fourth Proportional to 335,836.05, 503,754.08 and 259,728.45

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Solution

The fourth proportional to 335,836.05, 503,754.08 and 259,728.45 is: 389,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,836.05 : 503,754.08 = 259,728.45 : x
  2. Step 2: Convert to fraction form
    335,836.05/503,754.08 = 259,728.45/x
  3. Step 3: Cross multiply
    335,836.05x = 503,754.08 × 259,728.45
  4. Step 4: Simplify right side
    335,836.05x = 130,839,265,080.93
  5. Step 5: Solve for x
    x = 130,839,265,080.93/335,836.05
  6. Step 6: Final answer
    x = 389,592.68

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