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Finding the Fourth Proportional to 5,978,404.80, 8,967,607.20 and 5,516,510.40

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Solution

The fourth proportional to 5,978,404.80, 8,967,607.20 and 5,516,510.40 is: 8,274,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,404.80 : 8,967,607.20 = 5,516,510.40 : x
  2. Step 2: Convert to fraction form
    5,978,404.80/8,967,607.20 = 5,516,510.40/x
  3. Step 3: Cross multiply
    5,978,404.80x = 8,967,607.20 × 5,516,510.40
  4. Step 4: Simplify right side
    5,978,404.80x = 49,469,898,381,914.88
  5. Step 5: Solve for x
    x = 49,469,898,381,914.88/5,978,404.80
  6. Step 6: Final answer
    x = 8,274,765.60

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