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Finding the Fourth Proportional to 323,997.82, 447,110.73 and 178,817.26

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Solution

The fourth proportional to 323,997.82, 447,110.73 and 178,817.26 is: 246,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,997.82 : 447,110.73 = 178,817.26 : x
  2. Step 2: Convert to fraction form
    323,997.82/447,110.73 = 178,817.26/x
  3. Step 3: Cross multiply
    323,997.82x = 447,110.73 × 178,817.26
  4. Step 4: Simplify right side
    323,997.82x = 79,951,115,655.20
  5. Step 5: Solve for x
    x = 79,951,115,655.20/323,997.82
  6. Step 6: Final answer
    x = 246,764.36

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1.5x scale

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.