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Finding the Fourth Proportional to 3,321,640.76, 4,982,461.21 and 797,296.01

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Solution

The fourth proportional to 3,321,640.76, 4,982,461.21 and 797,296.01 is: 1,195,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,640.76 : 4,982,461.21 = 797,296.01 : x
  2. Step 2: Convert to fraction form
    3,321,640.76/4,982,461.21 = 797,296.01/x
  3. Step 3: Cross multiply
    3,321,640.76x = 4,982,461.21 × 797,296.01
  4. Step 4: Simplify right side
    3,321,640.76x = 3,972,496,438,726.29
  5. Step 5: Solve for x
    x = 3,972,496,438,726.29/3,321,640.76
  6. Step 6: Final answer
    x = 1,195,944.03

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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.