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Finding the Fourth Proportional to 293,651.44, 440,405.88 and 135,728.98

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Solution

The fourth proportional to 293,651.44, 440,405.88 and 135,728.98 is: 203,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,651.44 : 440,405.88 = 135,728.98 : x
  2. Step 2: Convert to fraction form
    293,651.44/440,405.88 = 135,728.98/x
  3. Step 3: Cross multiply
    293,651.44x = 440,405.88 × 135,728.98
  4. Step 4: Simplify right side
    293,651.44x = 59,775,840,878.40
  5. Step 5: Solve for x
    x = 59,775,840,878.40/293,651.44
  6. Step 6: Final answer
    x = 203,560.52

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