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Finding the Fourth Proportional to 2,650,906.06, 3,972,992.47 and 1,371,273.23

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Solution

The fourth proportional to 2,650,906.06, 3,972,992.47 and 1,371,273.23 is: 2,055,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,906.06 : 3,972,992.47 = 1,371,273.23 : x
  2. Step 2: Convert to fraction form
    2,650,906.06/3,972,992.47 = 1,371,273.23/x
  3. Step 3: Cross multiply
    2,650,906.06x = 3,972,992.47 × 1,371,273.23
  4. Step 4: Simplify right side
    2,650,906.06x = 5,448,058,223,606.88
  5. Step 5: Solve for x
    x = 5,448,058,223,606.88/2,650,906.06
  6. Step 6: Final answer
    x = 2,055,168.35

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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.