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Finding the Fourth Proportional to 472,267.20, 708,400.80 and 453,896.40

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Solution

The fourth proportional to 472,267.20, 708,400.80 and 453,896.40 is: 680,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,267.20 : 708,400.80 = 453,896.40 : x
  2. Step 2: Convert to fraction form
    472,267.20/708,400.80 = 453,896.40/x
  3. Step 3: Cross multiply
    472,267.20x = 708,400.80 × 453,896.40
  4. Step 4: Simplify right side
    472,267.20x = 321,540,572,877.12
  5. Step 5: Solve for x
    x = 321,540,572,877.12/472,267.20
  6. Step 6: Final answer
    x = 680,844.60

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