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Finding the Fourth Proportional to 395,194.20, 591,041.70 and 332,208.60

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Solution

The fourth proportional to 395,194.20, 591,041.70 and 332,208.60 is: 496,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,194.20 : 591,041.70 = 332,208.60 : x
  2. Step 2: Convert to fraction form
    395,194.20/591,041.70 = 332,208.60/x
  3. Step 3: Cross multiply
    395,194.20x = 591,041.70 × 332,208.60
  4. Step 4: Simplify right side
    395,194.20x = 196,349,135,698.62
  5. Step 5: Solve for x
    x = 196,349,135,698.62/395,194.20
  6. Step 6: Final answer
    x = 496,842.15

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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.