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Finding the Fourth Proportional to 451,910.82, 623,616.06 and 247,956.66

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Solution

The fourth proportional to 451,910.82, 623,616.06 and 247,956.66 is: 342,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,910.82 : 623,616.06 = 247,956.66 : x
  2. Step 2: Convert to fraction form
    451,910.82/623,616.06 = 247,956.66/x
  3. Step 3: Cross multiply
    451,910.82x = 623,616.06 × 247,956.66
  4. Step 4: Simplify right side
    451,910.82x = 154,629,755,359.96
  5. Step 5: Solve for x
    x = 154,629,755,359.96/451,910.82
  6. Step 6: Final answer
    x = 342,168.74

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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.