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Finding the Fourth Proportional to 351,797.85, 485,481.44 and 190,652.89

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Solution

The fourth proportional to 351,797.85, 485,481.44 and 190,652.89 is: 263,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,797.85 : 485,481.44 = 190,652.89 : x
  2. Step 2: Convert to fraction form
    351,797.85/485,481.44 = 190,652.89/x
  3. Step 3: Cross multiply
    351,797.85x = 485,481.44 × 190,652.89
  4. Step 4: Simplify right side
    351,797.85x = 92,558,439,577.36
  5. Step 5: Solve for x
    x = 92,558,439,577.36/351,797.85
  6. Step 6: Final answer
    x = 263,101.21

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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.