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Finding the Fourth Proportional to 355,249.09, 490,247.18 and 194,104.12

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Solution

The fourth proportional to 355,249.09, 490,247.18 and 194,104.12 is: 267,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,249.09 : 490,247.18 = 194,104.12 : x
  2. Step 2: Convert to fraction form
    355,249.09/490,247.18 = 194,104.12/x
  3. Step 3: Cross multiply
    355,249.09x = 490,247.18 × 194,104.12
  4. Step 4: Simplify right side
    355,249.09x = 95,158,998,918.40
  5. Step 5: Solve for x
    x = 95,158,998,918.40/355,249.09
  6. Step 6: Final answer
    x = 267,865.57

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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.