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Finding the Fourth Proportional to 978,163.20, 1,464,292.35 and 978,163.20

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Solution

The fourth proportional to 978,163.20, 1,464,292.35 and 978,163.20 is: 1,464,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,163.20 : 1,464,292.35 = 978,163.20 : x
  2. Step 2: Convert to fraction form
    978,163.20/1,464,292.35 = 978,163.20/x
  3. Step 3: Cross multiply
    978,163.20x = 1,464,292.35 × 978,163.20
  4. Step 4: Simplify right side
    978,163.20x = 1,432,316,890,811.52
  5. Step 5: Solve for x
    x = 1,432,316,890,811.52/978,163.20
  6. Step 6: Final answer
    x = 1,464,292.35

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