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Finding the Fourth Proportional to 451,997.38, 674,002.62 and 447,940.50

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Solution

The fourth proportional to 451,997.38, 674,002.62 and 447,940.50 is: 667,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,997.38 : 674,002.62 = 447,940.50 : x
  2. Step 2: Convert to fraction form
    451,997.38/674,002.62 = 447,940.50/x
  3. Step 3: Cross multiply
    451,997.38x = 674,002.62 × 447,940.50
  4. Step 4: Simplify right side
    451,997.38x = 301,913,070,604.11
  5. Step 5: Solve for x
    x = 301,913,070,604.11/451,997.38
  6. Step 6: Final answer
    x = 667,953.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.