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Finding the Fourth Proportional to 978,429.40, 1,467,644.14 and 978,429.40

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Solution

The fourth proportional to 978,429.40, 1,467,644.14 and 978,429.40 is: 1,467,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,429.40 : 1,467,644.14 = 978,429.40 : x
  2. Step 2: Convert to fraction form
    978,429.40/1,467,644.14 = 978,429.40/x
  3. Step 3: Cross multiply
    978,429.40x = 1,467,644.14 × 978,429.40
  4. Step 4: Simplify right side
    978,429.40x = 1,435,986,175,313.72
  5. Step 5: Solve for x
    x = 1,435,986,175,313.72/978,429.40
  6. Step 6: Final answer
    x = 1,467,644.14

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