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Finding the Fourth Proportional to 451,136.44, 676,651.98 and 181,253.66

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Solution

The fourth proportional to 451,136.44, 676,651.98 and 181,253.66 is: 271,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,136.44 : 676,651.98 = 181,253.66 : x
  2. Step 2: Convert to fraction form
    451,136.44/676,651.98 = 181,253.66/x
  3. Step 3: Cross multiply
    451,136.44x = 676,651.98 × 181,253.66
  4. Step 4: Simplify right side
    451,136.44x = 122,645,645,217.69
  5. Step 5: Solve for x
    x = 122,645,645,217.69/451,136.44
  6. Step 6: Final answer
    x = 271,859.32

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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.