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Finding the Fourth Proportional to 303,542.60, 418,943.62 and 181,042.83

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Solution

The fourth proportional to 303,542.60, 418,943.62 and 181,042.83 is: 249,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,542.60 : 418,943.62 = 181,042.83 : x
  2. Step 2: Convert to fraction form
    303,542.60/418,943.62 = 181,042.83/x
  3. Step 3: Cross multiply
    303,542.60x = 418,943.62 × 181,042.83
  4. Step 4: Simplify right side
    303,542.60x = 75,846,738,122.64
  5. Step 5: Solve for x
    x = 75,846,738,122.64/303,542.60
  6. Step 6: Final answer
    x = 249,871.81

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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.