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Finding the Fourth Proportional to 327,888,904.80, 491,833,357.20 and 85,551,808.80

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Solution

The fourth proportional to 327,888,904.80, 491,833,357.20 and 85,551,808.80 is: 128,327,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,888,904.80 : 491,833,357.20 = 85,551,808.80 : x
  2. Step 2: Convert to fraction form
    327,888,904.80/491,833,357.20 = 85,551,808.80/x
  3. Step 3: Cross multiply
    327,888,904.80x = 491,833,357.20 × 85,551,808.80
  4. Step 4: Simplify right side
    327,888,904.80x = 42,077,233,336,636,504
  5. Step 5: Solve for x
    x = 42,077,233,336,636,504/327,888,904.80
  6. Step 6: Final answer
    x = 128,327,713.20

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