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Finding the Fourth Proportional to 400,954.81, 599,770.09 and 305,462.49

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Solution

The fourth proportional to 400,954.81, 599,770.09 and 305,462.49 is: 456,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,954.81 : 599,770.09 = 305,462.49 : x
  2. Step 2: Convert to fraction form
    400,954.81/599,770.09 = 305,462.49/x
  3. Step 3: Cross multiply
    400,954.81x = 599,770.09 × 305,462.49
  4. Step 4: Simplify right side
    400,954.81x = 183,207,264,355.27
  5. Step 5: Solve for x
    x = 183,207,264,355.27/400,954.81
  6. Step 6: Final answer
    x = 456,927.47

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