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Finding the Fourth Proportional to 381,978,704.40, 572,968,056.60 and 381,978,704.40

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Solution

The fourth proportional to 381,978,704.40, 572,968,056.60 and 381,978,704.40 is: 572,968,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,978,704.40 : 572,968,056.60 = 381,978,704.40 : x
  2. Step 2: Convert to fraction form
    381,978,704.40/572,968,056.60 = 381,978,704.40/x
  3. Step 3: Cross multiply
    381,978,704.40x = 572,968,056.60 × 381,978,704.40
  4. Step 4: Simplify right side
    381,978,704.40x = 218,861,595,922,653,856
  5. Step 5: Solve for x
    x = 218,861,595,922,653,856/381,978,704.40
  6. Step 6: Final answer
    x = 572,968,056.60

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Why These Related Problems?

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