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Finding the Fourth Proportional to 978,187.90, 1,467,281.85 and 978,187.90

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Solution

The fourth proportional to 978,187.90, 1,467,281.85 and 978,187.90 is: 1,467,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,187.90 : 1,467,281.85 = 978,187.90 : x
  2. Step 2: Convert to fraction form
    978,187.90/1,467,281.85 = 978,187.90/x
  3. Step 3: Cross multiply
    978,187.90x = 1,467,281.85 × 978,187.90
  4. Step 4: Simplify right side
    978,187.90x = 1,435,277,351,559.62
  5. Step 5: Solve for x
    x = 1,435,277,351,559.62/978,187.90
  6. Step 6: Final answer
    x = 1,467,281.85

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