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Finding the Fourth Proportional to 341,439.86, 471,346.44 and 198,172.22

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Solution

The fourth proportional to 341,439.86, 471,346.44 and 198,172.22 is: 273,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,439.86 : 471,346.44 = 198,172.22 : x
  2. Step 2: Convert to fraction form
    341,439.86/471,346.44 = 198,172.22/x
  3. Step 3: Cross multiply
    341,439.86x = 471,346.44 × 198,172.22
  4. Step 4: Simplify right side
    341,439.86x = 93,407,770,403.90
  5. Step 5: Solve for x
    x = 93,407,770,403.90/341,439.86
  6. Step 6: Final answer
    x = 273,570.20

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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.