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Finding the Fourth Proportional to 978,636.60, 1,467,954.92 and 978,636.60

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Solution

The fourth proportional to 978,636.60, 1,467,954.92 and 978,636.60 is: 1,467,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,636.60 : 1,467,954.92 = 978,636.60 : x
  2. Step 2: Convert to fraction form
    978,636.60/1,467,954.92 = 978,636.60/x
  3. Step 3: Cross multiply
    978,636.60x = 1,467,954.92 × 978,636.60
  4. Step 4: Simplify right side
    978,636.60x = 1,436,594,411,862.07
  5. Step 5: Solve for x
    x = 1,436,594,411,862.07/978,636.60
  6. Step 6: Final answer
    x = 1,467,954.92

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