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Finding the Fourth Proportional to 6,978,446.88, 10,468,169.88 and 1,860,849.87

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Solution

The fourth proportional to 6,978,446.88, 10,468,169.88 and 1,860,849.87 is: 2,791,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,446.88 : 10,468,169.88 = 1,860,849.87 : x
  2. Step 2: Convert to fraction form
    6,978,446.88/10,468,169.88 = 1,860,849.87/x
  3. Step 3: Cross multiply
    6,978,446.88x = 10,468,169.88 × 1,860,849.87
  4. Step 4: Simplify right side
    6,978,446.88x = 19,479,692,560,335.92
  5. Step 5: Solve for x
    x = 19,479,692,560,335.92/6,978,446.88
  6. Step 6: Final answer
    x = 2,791,408.02

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