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Finding the Fourth Proportional to 2,208,896.92, 3,313,696.02 and 712,639

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Solution

The fourth proportional to 2,208,896.92, 3,313,696.02 and 712,639 is: 1,069,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,896.92 : 3,313,696.02 = 712,639 : x
  2. Step 2: Convert to fraction form
    2,208,896.92/3,313,696.02 = 712,639/x
  3. Step 3: Cross multiply
    2,208,896.92x = 3,313,696.02 × 712,639
  4. Step 4: Simplify right side
    2,208,896.92x = 2,361,469,017,996.78
  5. Step 5: Solve for x
    x = 2,361,469,017,996.78/2,208,896.92
  6. Step 6: Final answer
    x = 1,069,071.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.