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Finding the Fourth Proportional to 572,571.60, 857,107.80 and 446,600.40

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Solution

The fourth proportional to 572,571.60, 857,107.80 and 446,600.40 is: 668,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,571.60 : 857,107.80 = 446,600.40 : x
  2. Step 2: Convert to fraction form
    572,571.60/857,107.80 = 446,600.40/x
  3. Step 3: Cross multiply
    572,571.60x = 857,107.80 × 446,600.40
  4. Step 4: Simplify right side
    572,571.60x = 382,784,686,323.12
  5. Step 5: Solve for x
    x = 382,784,686,323.12/572,571.60
  6. Step 6: Final answer
    x = 668,535.93

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