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Finding the Fourth Proportional to 1,832,738.56, 2,748,003.36 and 821,677.48

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Solution

The fourth proportional to 1,832,738.56, 2,748,003.36 and 821,677.48 is: 1,232,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,738.56 : 2,748,003.36 = 821,677.48 : x
  2. Step 2: Convert to fraction form
    1,832,738.56/2,748,003.36 = 821,677.48/x
  3. Step 3: Cross multiply
    1,832,738.56x = 2,748,003.36 × 821,677.48
  4. Step 4: Simplify right side
    1,832,738.56x = 2,257,972,475,876.33
  5. Step 5: Solve for x
    x = 2,257,972,475,876.33/1,832,738.56
  6. Step 6: Final answer
    x = 1,232,021.04

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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.