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Finding the Fourth Proportional to 2,804,664.89, 3,870,745.09 and 1,627,523.07

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Solution

The fourth proportional to 2,804,664.89, 3,870,745.09 and 1,627,523.07 is: 2,246,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,664.89 : 3,870,745.09 = 1,627,523.07 : x
  2. Step 2: Convert to fraction form
    2,804,664.89/3,870,745.09 = 1,627,523.07/x
  3. Step 3: Cross multiply
    2,804,664.89x = 3,870,745.09 × 1,627,523.07
  4. Step 4: Simplify right side
    2,804,664.89x = 6,299,726,927,995.42
  5. Step 5: Solve for x
    x = 6,299,726,927,995.42/2,804,664.89
  6. Step 6: Final answer
    x = 2,246,160.30

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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.