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Finding the Fourth Proportional to 451,293.44, 676,997.76 and 151,645.44

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Solution

The fourth proportional to 451,293.44, 676,997.76 and 151,645.44 is: 227,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,293.44 : 676,997.76 = 151,645.44 : x
  2. Step 2: Convert to fraction form
    451,293.44/676,997.76 = 151,645.44/x
  3. Step 3: Cross multiply
    451,293.44x = 676,997.76 × 151,645.44
  4. Step 4: Simplify right side
    451,293.44x = 102,663,623,194.21
  5. Step 5: Solve for x
    x = 102,663,623,194.21/451,293.44
  6. Step 6: Final answer
    x = 227,487.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.