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Finding the Fourth Proportional to 395,249.73, 591,711.84 and 245,007.69

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Solution

The fourth proportional to 395,249.73, 591,711.84 and 245,007.69 is: 366,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,249.73 : 591,711.84 = 245,007.69 : x
  2. Step 2: Convert to fraction form
    395,249.73/591,711.84 = 245,007.69/x
  3. Step 3: Cross multiply
    395,249.73x = 591,711.84 × 245,007.69
  4. Step 4: Simplify right side
    395,249.73x = 144,973,951,064.05
  5. Step 5: Solve for x
    x = 144,973,951,064.05/395,249.73
  6. Step 6: Final answer
    x = 366,790.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.