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Finding the Fourth Proportional to 395,187.15, 545,463.68 and 244,198.83

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Solution

The fourth proportional to 395,187.15, 545,463.68 and 244,198.83 is: 337,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,187.15 : 545,463.68 = 244,198.83 : x
  2. Step 2: Convert to fraction form
    395,187.15/545,463.68 = 244,198.83/x
  3. Step 3: Cross multiply
    395,187.15x = 545,463.68 × 244,198.83
  4. Step 4: Simplify right side
    395,187.15x = 133,201,591,242.50
  5. Step 5: Solve for x
    x = 133,201,591,242.50/395,187.15
  6. Step 6: Final answer
    x = 337,059.52

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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.