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Finding the Fourth Proportional to 414,227.64, 621,335.22 and 186,362.34

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Solution

The fourth proportional to 414,227.64, 621,335.22 and 186,362.34 is: 279,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,227.64 : 621,335.22 = 186,362.34 : x
  2. Step 2: Convert to fraction form
    414,227.64/621,335.22 = 186,362.34/x
  3. Step 3: Cross multiply
    414,227.64x = 621,335.22 × 186,362.34
  4. Step 4: Simplify right side
    414,227.64x = 115,793,485,523.62
  5. Step 5: Solve for x
    x = 115,793,485,523.62/414,227.64
  6. Step 6: Final answer
    x = 279,540.70

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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.