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Finding the Fourth Proportional to 351,994.25, 485,749.13 and 199,062.46

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Solution

The fourth proportional to 351,994.25, 485,749.13 and 199,062.46 is: 274,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,994.25 : 485,749.13 = 199,062.46 : x
  2. Step 2: Convert to fraction form
    351,994.25/485,749.13 = 199,062.46/x
  3. Step 3: Cross multiply
    351,994.25x = 485,749.13 × 199,062.46
  4. Step 4: Simplify right side
    351,994.25x = 96,694,416,372.53
  5. Step 5: Solve for x
    x = 96,694,416,372.53/351,994.25
  6. Step 6: Final answer
    x = 274,704.53

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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.