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Finding the Fourth Proportional to 447,426.28, 671,800.38 and 298,593.64

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Solution

The fourth proportional to 447,426.28, 671,800.38 and 298,593.64 is: 448,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,426.28 : 671,800.38 = 298,593.64 : x
  2. Step 2: Convert to fraction form
    447,426.28/671,800.38 = 298,593.64/x
  3. Step 3: Cross multiply
    447,426.28x = 671,800.38 × 298,593.64
  4. Step 4: Simplify right side
    447,426.28x = 200,595,320,817.58
  5. Step 5: Solve for x
    x = 200,595,320,817.58/447,426.28
  6. Step 6: Final answer
    x = 448,331.56

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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.