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Finding the Fourth Proportional to 324,346.02, 447,550.56 and 196,997.01

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Solution

The fourth proportional to 324,346.02, 447,550.56 and 196,997.01 is: 271,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,346.02 : 447,550.56 = 196,997.01 : x
  2. Step 2: Convert to fraction form
    324,346.02/447,550.56 = 196,997.01/x
  3. Step 3: Cross multiply
    324,346.02x = 447,550.56 × 196,997.01
  4. Step 4: Simplify right side
    324,346.02x = 88,166,122,143.83
  5. Step 5: Solve for x
    x = 88,166,122,143.83/324,346.02
  6. Step 6: Final answer
    x = 271,827.36

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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.