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Finding the Fourth Proportional to 839,896.67, 1,159,024.03 and 495,843.43

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Solution

The fourth proportional to 839,896.67, 1,159,024.03 and 495,843.43 is: 684,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,896.67 : 1,159,024.03 = 495,843.43 : x
  2. Step 2: Convert to fraction form
    839,896.67/1,159,024.03 = 495,843.43/x
  3. Step 3: Cross multiply
    839,896.67x = 1,159,024.03 × 495,843.43
  4. Step 4: Simplify right side
    839,896.67x = 574,694,450,487.62
  5. Step 5: Solve for x
    x = 574,694,450,487.62/839,896.67
  6. Step 6: Final answer
    x = 684,244.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.