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Finding the Fourth Proportional to 978,024.20, 1,467,036.30 and 853,608.20

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Solution

The fourth proportional to 978,024.20, 1,467,036.30 and 853,608.20 is: 1,280,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,024.20 : 1,467,036.30 = 853,608.20 : x
  2. Step 2: Convert to fraction form
    978,024.20/1,467,036.30 = 853,608.20/x
  3. Step 3: Cross multiply
    978,024.20x = 1,467,036.30 × 853,608.20
  4. Step 4: Simplify right side
    978,024.20x = 1,252,274,215,377.66
  5. Step 5: Solve for x
    x = 1,252,274,215,377.66/978,024.20
  6. Step 6: Final answer
    x = 1,280,412.30

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