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Finding the Fourth Proportional to 978,236.20, 1,464,401.85 and 978,236.20

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Solution

The fourth proportional to 978,236.20, 1,464,401.85 and 978,236.20 is: 1,464,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,236.20 : 1,464,401.85 = 978,236.20 : x
  2. Step 2: Convert to fraction form
    978,236.20/1,464,401.85 = 978,236.20/x
  3. Step 3: Cross multiply
    978,236.20x = 1,464,401.85 × 978,236.20
  4. Step 4: Simplify right side
    978,236.20x = 1,432,530,901,016.97
  5. Step 5: Solve for x
    x = 1,432,530,901,016.97/978,236.20
  6. Step 6: Final answer
    x = 1,464,401.85

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Why These Related Problems?

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