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Finding the Fourth Proportional to 422,183.52, 582,614.10 and 228,593.34

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Solution

The fourth proportional to 422,183.52, 582,614.10 and 228,593.34 is: 315,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,183.52 : 582,614.10 = 228,593.34 : x
  2. Step 2: Convert to fraction form
    422,183.52/582,614.10 = 228,593.34/x
  3. Step 3: Cross multiply
    422,183.52x = 582,614.10 × 228,593.34
  4. Step 4: Simplify right side
    422,183.52x = 133,181,703,050.09
  5. Step 5: Solve for x
    x = 133,181,703,050.09/422,183.52
  6. Step 6: Final answer
    x = 315,459.27

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1.5x scale

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.