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Finding the Fourth Proportional to 451,997.64, 674,003.00 and 447,940.76

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Solution

The fourth proportional to 451,997.64, 674,003.00 and 447,940.76 is: 667,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,997.64 : 674,003.00 = 447,940.76 : x
  2. Step 2: Convert to fraction form
    451,997.64/674,003.00 = 447,940.76/x
  3. Step 3: Cross multiply
    451,997.64x = 674,003.00 × 447,940.76
  4. Step 4: Simplify right side
    451,997.64x = 301,913,413,812.12
  5. Step 5: Solve for x
    x = 301,913,413,812.12/451,997.64
  6. Step 6: Final answer
    x = 667,953.52

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1.5x scale

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.