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Finding the Fourth Proportional to 351,992.58, 485,753.37 and 190,847.94

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Solution

The fourth proportional to 351,992.58, 485,753.37 and 190,847.94 is: 263,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,992.58 : 485,753.37 = 190,847.94 : x
  2. Step 2: Convert to fraction form
    351,992.58/485,753.37 = 190,847.94/x
  3. Step 3: Cross multiply
    351,992.58x = 485,753.37 × 190,847.94
  4. Step 4: Simplify right side
    351,992.58x = 92,705,030,012.56
  5. Step 5: Solve for x
    x = 92,705,030,012.56/351,992.58
  6. Step 6: Final answer
    x = 263,372.11

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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.