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Finding the Fourth Proportional to 473,456.80, 709,839.60 and 192,829.60

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Solution

The fourth proportional to 473,456.80, 709,839.60 and 192,829.60 is: 289,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,456.80 : 709,839.60 = 192,829.60 : x
  2. Step 2: Convert to fraction form
    473,456.80/709,839.60 = 192,829.60/x
  3. Step 3: Cross multiply
    473,456.80x = 709,839.60 × 192,829.60
  4. Step 4: Simplify right side
    473,456.80x = 136,878,086,132.16
  5. Step 5: Solve for x
    x = 136,878,086,132.16/473,456.80
  6. Step 6: Final answer
    x = 289,103.64

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