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Finding the Fourth Proportional to 445,269.49, 667,904.20 and 195,951.49

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Solution

The fourth proportional to 445,269.49, 667,904.20 and 195,951.49 is: 293,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,269.49 : 667,904.20 = 195,951.49 : x
  2. Step 2: Convert to fraction form
    445,269.49/667,904.20 = 195,951.49/x
  3. Step 3: Cross multiply
    445,269.49x = 667,904.20 × 195,951.49
  4. Step 4: Simplify right side
    445,269.49x = 130,876,821,007.62
  5. Step 5: Solve for x
    x = 130,876,821,007.62/445,269.49
  6. Step 6: Final answer
    x = 293,927.22

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1.5x scale

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.