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Finding the Fourth Proportional to 976,219.60, 1,465,641.60 and 622,800.40

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Solution

The fourth proportional to 976,219.60, 1,465,641.60 and 622,800.40 is: 935,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,219.60 : 1,465,641.60 = 622,800.40 : x
  2. Step 2: Convert to fraction form
    976,219.60/1,465,641.60 = 622,800.40/x
  3. Step 3: Cross multiply
    976,219.60x = 1,465,641.60 × 622,800.40
  4. Step 4: Simplify right side
    976,219.60x = 912,802,174,736.64
  5. Step 5: Solve for x
    x = 912,802,174,736.64/976,219.60
  6. Step 6: Final answer
    x = 935,037.75

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