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Finding the Fourth Proportional to 484,993.73, 726,248.45 and 404,832.39

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Solution

The fourth proportional to 484,993.73, 726,248.45 and 404,832.39 is: 606,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,993.73 : 726,248.45 = 404,832.39 : x
  2. Step 2: Convert to fraction form
    484,993.73/726,248.45 = 404,832.39/x
  3. Step 3: Cross multiply
    484,993.73x = 726,248.45 × 404,832.39
  4. Step 4: Simplify right side
    484,993.73x = 294,008,890,091.89
  5. Step 5: Solve for x
    x = 294,008,890,091.89/484,993.73
  6. Step 6: Final answer
    x = 606,211.73

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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.