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Finding the Fourth Proportional to 978,414.90, 1,467,622.35 and 978,414.90

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Solution

The fourth proportional to 978,414.90, 1,467,622.35 and 978,414.90 is: 1,467,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,414.90 : 1,467,622.35 = 978,414.90 : x
  2. Step 2: Convert to fraction form
    978,414.90/1,467,622.35 = 978,414.90/x
  3. Step 3: Cross multiply
    978,414.90x = 1,467,622.35 × 978,414.90
  4. Step 4: Simplify right side
    978,414.90x = 1,435,943,574,813.02
  5. Step 5: Solve for x
    x = 1,435,943,574,813.02/978,414.90
  6. Step 6: Final answer
    x = 1,467,622.35

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