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Finding the Fourth Proportional to 714,584.73, 1,071,061.73 and 287,847.48

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Solution

The fourth proportional to 714,584.73, 1,071,061.73 and 287,847.48 is: 431,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,584.73 : 1,071,061.73 = 287,847.48 : x
  2. Step 2: Convert to fraction form
    714,584.73/1,071,061.73 = 287,847.48/x
  3. Step 3: Cross multiply
    714,584.73x = 1,071,061.73 × 287,847.48
  4. Step 4: Simplify right side
    714,584.73x = 308,302,418,465.70
  5. Step 5: Solve for x
    x = 308,302,418,465.70/714,584.73
  6. Step 6: Final answer
    x = 431,442.77

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