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Finding the Fourth Proportional to 952,323.84, 1,428,444.80 and 287,456

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Solution

The fourth proportional to 952,323.84, 1,428,444.80 and 287,456 is: 431,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,323.84 : 1,428,444.80 = 287,456 : x
  2. Step 2: Convert to fraction form
    952,323.84/1,428,444.80 = 287,456/x
  3. Step 3: Cross multiply
    952,323.84x = 1,428,444.80 × 287,456
  4. Step 4: Simplify right side
    952,323.84x = 410,615,028,428.80
  5. Step 5: Solve for x
    x = 410,615,028,428.80/952,323.84
  6. Step 6: Final answer
    x = 431,171.64

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