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Finding the Fourth Proportional to 414,691.92, 622,033.80 and 189,988.62

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Solution

The fourth proportional to 414,691.92, 622,033.80 and 189,988.62 is: 284,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,691.92 : 622,033.80 = 189,988.62 : x
  2. Step 2: Convert to fraction form
    414,691.92/622,033.80 = 189,988.62/x
  3. Step 3: Cross multiply
    414,691.92x = 622,033.80 × 189,988.62
  4. Step 4: Simplify right side
    414,691.92x = 118,179,343,255.36
  5. Step 5: Solve for x
    x = 118,179,343,255.36/414,691.92
  6. Step 6: Final answer
    x = 284,981.06

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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.