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Finding the Fourth Proportional to 481,620.33, 722,456.42 and 200,854.89

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Solution

The fourth proportional to 481,620.33, 722,456.42 and 200,854.89 is: 301,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,620.33 : 722,456.42 = 200,854.89 : x
  2. Step 2: Convert to fraction form
    481,620.33/722,456.42 = 200,854.89/x
  3. Step 3: Cross multiply
    481,620.33x = 722,456.42 × 200,854.89
  4. Step 4: Simplify right side
    481,620.33x = 145,108,903,764.62
  5. Step 5: Solve for x
    x = 145,108,903,764.62/481,620.33
  6. Step 6: Final answer
    x = 301,293.14

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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.