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Finding the Fourth Proportional to 422,061.41, 582,441.12 and 228,468.17

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Solution

The fourth proportional to 422,061.41, 582,441.12 and 228,468.17 is: 315,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,061.41 : 582,441.12 = 228,468.17 : x
  2. Step 2: Convert to fraction form
    422,061.41/582,441.12 = 228,468.17/x
  3. Step 3: Cross multiply
    422,061.41x = 582,441.12 × 228,468.17
  4. Step 4: Simplify right side
    422,061.41x = 133,069,253,906.95
  5. Step 5: Solve for x
    x = 133,069,253,906.95/422,061.41
  6. Step 6: Final answer
    x = 315,284.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.