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Finding the Fourth Proportional to 866,553.60, 1,299,511.92 and 297,773.40

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Solution

The fourth proportional to 866,553.60, 1,299,511.92 and 297,773.40 is: 446,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,553.60 : 1,299,511.92 = 297,773.40 : x
  2. Step 2: Convert to fraction form
    866,553.60/1,299,511.92 = 297,773.40/x
  3. Step 3: Cross multiply
    866,553.60x = 1,299,511.92 × 297,773.40
  4. Step 4: Simplify right side
    866,553.60x = 386,960,082,758.93
  5. Step 5: Solve for x
    x = 386,960,082,758.93/866,553.60
  6. Step 6: Final answer
    x = 446,550.66

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