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Finding the Fourth Proportional to 576,336.28, 795,248.94 and 321,687.40

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Solution

The fourth proportional to 576,336.28, 795,248.94 and 321,687.40 is: 443,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,336.28 : 795,248.94 = 321,687.40 : x
  2. Step 2: Convert to fraction form
    576,336.28/795,248.94 = 321,687.40/x
  3. Step 3: Cross multiply
    576,336.28x = 795,248.94 × 321,687.40
  4. Step 4: Simplify right side
    576,336.28x = 255,821,563,861.36
  5. Step 5: Solve for x
    x = 255,821,563,861.36/576,336.28
  6. Step 6: Final answer
    x = 443,875.52

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