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Finding the Fourth Proportional to 607,524.20, 911,067.60 and 307,905.20

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Solution

The fourth proportional to 607,524.20, 911,067.60 and 307,905.20 is: 461,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,524.20 : 911,067.60 = 307,905.20 : x
  2. Step 2: Convert to fraction form
    607,524.20/911,067.60 = 307,905.20/x
  3. Step 3: Cross multiply
    607,524.20x = 911,067.60 × 307,905.20
  4. Step 4: Simplify right side
    607,524.20x = 280,522,451,591.52
  5. Step 5: Solve for x
    x = 280,522,451,591.52/607,524.20
  6. Step 6: Final answer
    x = 461,746.96

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