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Finding the Fourth Proportional to 453,338.40, 680,007.60 and 400,850.40

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Solution

The fourth proportional to 453,338.40, 680,007.60 and 400,850.40 is: 601,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,338.40 : 680,007.60 = 400,850.40 : x
  2. Step 2: Convert to fraction form
    453,338.40/680,007.60 = 400,850.40/x
  3. Step 3: Cross multiply
    453,338.40x = 680,007.60 × 400,850.40
  4. Step 4: Simplify right side
    453,338.40x = 272,581,318,463.04
  5. Step 5: Solve for x
    x = 272,581,318,463.04/453,338.40
  6. Step 6: Final answer
    x = 601,275.60

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