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Finding the Fourth Proportional to 293,507.15, 440,408.44 and 218,777.36

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Solution

The fourth proportional to 293,507.15, 440,408.44 and 218,777.36 is: 328,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,507.15 : 440,408.44 = 218,777.36 : x
  2. Step 2: Convert to fraction form
    293,507.15/440,408.44 = 218,777.36/x
  3. Step 3: Cross multiply
    293,507.15x = 440,408.44 × 218,777.36
  4. Step 4: Simplify right side
    293,507.15x = 96,351,393,896.35
  5. Step 5: Solve for x
    x = 96,351,393,896.35/293,507.15
  6. Step 6: Final answer
    x = 328,276.14

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