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Finding the Fourth Proportional to 339,700.80, 468,813.24 and 203,739.96

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Solution

The fourth proportional to 339,700.80, 468,813.24 and 203,739.96 is: 281,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,700.80 : 468,813.24 = 203,739.96 : x
  2. Step 2: Convert to fraction form
    339,700.80/468,813.24 = 203,739.96/x
  3. Step 3: Cross multiply
    339,700.80x = 468,813.24 × 203,739.96
  4. Step 4: Simplify right side
    339,700.80x = 95,515,990,765.07
  5. Step 5: Solve for x
    x = 95,515,990,765.07/339,700.80
  6. Step 6: Final answer
    x = 281,176.82

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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.