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Finding the Fourth Proportional to 613,228.51, 919,772.68 and 163,984.40

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Solution

The fourth proportional to 613,228.51, 919,772.68 and 163,984.40 is: 245,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,228.51 : 919,772.68 = 163,984.40 : x
  2. Step 2: Convert to fraction form
    613,228.51/919,772.68 = 163,984.40/x
  3. Step 3: Cross multiply
    613,228.51x = 919,772.68 × 163,984.40
  4. Step 4: Simplify right side
    613,228.51x = 150,828,371,066.19
  5. Step 5: Solve for x
    x = 150,828,371,066.19/613,228.51
  6. Step 6: Final answer
    x = 245,957.86

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