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Finding the Fourth Proportional to 422,094.39, 582,485.83 and 228,497.76

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Solution

The fourth proportional to 422,094.39, 582,485.83 and 228,497.76 is: 315,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,094.39 : 582,485.83 = 228,497.76 : x
  2. Step 2: Convert to fraction form
    422,094.39/582,485.83 = 228,497.76/x
  3. Step 3: Cross multiply
    422,094.39x = 582,485.83 × 228,497.76
  4. Step 4: Simplify right side
    422,094.39x = 133,096,708,100.80
  5. Step 5: Solve for x
    x = 133,096,708,100.80/422,094.39
  6. Step 6: Final answer
    x = 315,324.51

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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.