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Finding the Fourth Proportional to 361,193.73, 498,451.04 and 217,926.09

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Solution

The fourth proportional to 361,193.73, 498,451.04 and 217,926.09 is: 300,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,193.73 : 498,451.04 = 217,926.09 : x
  2. Step 2: Convert to fraction form
    361,193.73/498,451.04 = 217,926.09/x
  3. Step 3: Cross multiply
    361,193.73x = 498,451.04 × 217,926.09
  4. Step 4: Simplify right side
    361,193.73x = 108,625,485,114.00
  5. Step 5: Solve for x
    x = 108,625,485,114.00/361,193.73
  6. Step 6: Final answer
    x = 300,740.23

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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.