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Finding the Fourth Proportional to 308,933.40, 463,572.90 and 131,410.20

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Solution

The fourth proportional to 308,933.40, 463,572.90 and 131,410.20 is: 197,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,933.40 : 463,572.90 = 131,410.20 : x
  2. Step 2: Convert to fraction form
    308,933.40/463,572.90 = 131,410.20/x
  3. Step 3: Cross multiply
    308,933.40x = 463,572.90 × 131,410.20
  4. Step 4: Simplify right side
    308,933.40x = 60,918,207,503.58
  5. Step 5: Solve for x
    x = 60,918,207,503.58/308,933.40
  6. Step 6: Final answer
    x = 197,188.80

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