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Finding the Fourth Proportional to 557,632.80, 836,449.20 and 401,335.20

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Solution

The fourth proportional to 557,632.80, 836,449.20 and 401,335.20 is: 602,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,632.80 : 836,449.20 = 401,335.20 : x
  2. Step 2: Convert to fraction form
    557,632.80/836,449.20 = 401,335.20/x
  3. Step 3: Cross multiply
    557,632.80x = 836,449.20 × 401,335.20
  4. Step 4: Simplify right side
    557,632.80x = 335,696,506,971.84
  5. Step 5: Solve for x
    x = 335,696,506,971.84/557,632.80
  6. Step 6: Final answer
    x = 602,002.80

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