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Finding the Fourth Proportional to 303,841.20, 419,169.15 and 182,912.45

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Solution

The fourth proportional to 303,841.20, 419,169.15 and 182,912.45 is: 252,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,841.20 : 419,169.15 = 182,912.45 : x
  2. Step 2: Convert to fraction form
    303,841.20/419,169.15 = 182,912.45/x
  3. Step 3: Cross multiply
    303,841.20x = 419,169.15 × 182,912.45
  4. Step 4: Simplify right side
    303,841.20x = 76,671,256,190.92
  5. Step 5: Solve for x
    x = 76,671,256,190.92/303,841.20
  6. Step 6: Final answer
    x = 252,339.89

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1.5x scale

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.