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Finding the Fourth Proportional to 264,257.40, 396,384.62 and 64,578.84

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Solution

The fourth proportional to 264,257.40, 396,384.62 and 64,578.84 is: 96,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,257.40 : 396,384.62 = 64,578.84 : x
  2. Step 2: Convert to fraction form
    264,257.40/396,384.62 = 64,578.84/x
  3. Step 3: Cross multiply
    264,257.40x = 396,384.62 × 64,578.84
  4. Step 4: Simplify right side
    264,257.40x = 25,598,058,953.44
  5. Step 5: Solve for x
    x = 25,598,058,953.44/264,257.40
  6. Step 6: Final answer
    x = 96,867.90

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