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Finding the Fourth Proportional to 353,593.26, 487,942.74 and 192,447.90

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Solution

The fourth proportional to 353,593.26, 487,942.74 and 192,447.90 is: 265,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,593.26 : 487,942.74 = 192,447.90 : x
  2. Step 2: Convert to fraction form
    353,593.26/487,942.74 = 192,447.90/x
  3. Step 3: Cross multiply
    353,593.26x = 487,942.74 × 192,447.90
  4. Step 4: Simplify right side
    353,593.26x = 93,903,555,633.25
  5. Step 5: Solve for x
    x = 93,903,555,633.25/353,593.26
  6. Step 6: Final answer
    x = 265,569.42

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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.