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Finding the Fourth Proportional to 351,969.33, 485,714.73 and 199,037.55

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Solution

The fourth proportional to 351,969.33, 485,714.73 and 199,037.55 is: 274,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,969.33 : 485,714.73 = 199,037.55 : x
  2. Step 2: Convert to fraction form
    351,969.33/485,714.73 = 199,037.55/x
  3. Step 3: Cross multiply
    351,969.33x = 485,714.73 × 199,037.55
  4. Step 4: Simplify right side
    351,969.33x = 96,675,469,858.11
  5. Step 5: Solve for x
    x = 96,675,469,858.11/351,969.33
  6. Step 6: Final answer
    x = 274,670.15

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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.