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Finding the Fourth Proportional to 886,978.70, 1,330,468.05 and 886,978.70

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Solution

The fourth proportional to 886,978.70, 1,330,468.05 and 886,978.70 is: 1,330,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,978.70 : 1,330,468.05 = 886,978.70 : x
  2. Step 2: Convert to fraction form
    886,978.70/1,330,468.05 = 886,978.70/x
  3. Step 3: Cross multiply
    886,978.70x = 1,330,468.05 × 886,978.70
  4. Step 4: Simplify right side
    886,978.70x = 1,180,096,821,380.53
  5. Step 5: Solve for x
    x = 1,180,096,821,380.53/886,978.70
  6. Step 6: Final answer
    x = 1,330,468.05

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