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Finding the Fourth Proportional to 422,092.05, 582,483.05 and 228,494.81

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Solution

The fourth proportional to 422,092.05, 582,483.05 and 228,494.81 is: 315,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,092.05 : 582,483.05 = 228,494.81 : x
  2. Step 2: Convert to fraction form
    422,092.05/582,483.05 = 228,494.81/x
  3. Step 3: Cross multiply
    422,092.05x = 582,483.05 × 228,494.81
  4. Step 4: Simplify right side
    422,092.05x = 133,094,350,925.56
  5. Step 5: Solve for x
    x = 133,094,350,925.56/422,092.05
  6. Step 6: Final answer
    x = 315,320.68

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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.