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Finding the Fourth Proportional to 358,003.44, 494,027.83 and 196,865.28

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Solution

The fourth proportional to 358,003.44, 494,027.83 and 196,865.28 is: 271,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,003.44 : 494,027.83 = 196,865.28 : x
  2. Step 2: Convert to fraction form
    358,003.44/494,027.83 = 196,865.28/x
  3. Step 3: Cross multiply
    358,003.44x = 494,027.83 × 196,865.28
  4. Step 4: Simplify right side
    358,003.44x = 97,256,927,080.74
  5. Step 5: Solve for x
    x = 97,256,927,080.74/358,003.44
  6. Step 6: Final answer
    x = 271,664.78

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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.