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Finding the Fourth Proportional to 363,304.54, 501,364.81 and 199,979.92

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Solution

The fourth proportional to 363,304.54, 501,364.81 and 199,979.92 is: 275,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,304.54 : 501,364.81 = 199,979.92 : x
  2. Step 2: Convert to fraction form
    363,304.54/501,364.81 = 199,979.92/x
  3. Step 3: Cross multiply
    363,304.54x = 501,364.81 × 199,979.92
  4. Step 4: Simplify right side
    363,304.54x = 100,262,894,346.41
  5. Step 5: Solve for x
    x = 100,262,894,346.41/363,304.54
  6. Step 6: Final answer
    x = 275,974.79

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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.