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Finding the Fourth Proportional to 451,092.23, 676,426.46 and 261,606.45

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Solution

The fourth proportional to 451,092.23, 676,426.46 and 261,606.45 is: 392,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,092.23 : 676,426.46 = 261,606.45 : x
  2. Step 2: Convert to fraction form
    451,092.23/676,426.46 = 261,606.45/x
  3. Step 3: Cross multiply
    451,092.23x = 676,426.46 × 261,606.45
  4. Step 4: Simplify right side
    451,092.23x = 176,957,523,578.64
  5. Step 5: Solve for x
    x = 176,957,523,578.64/451,092.23
  6. Step 6: Final answer
    x = 392,286.80

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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.