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Finding the Fourth Proportional to 303,241.52, 454,493.28 and 214,520.60

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Solution

The fourth proportional to 303,241.52, 454,493.28 and 214,520.60 is: 321,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,241.52 : 454,493.28 = 214,520.60 : x
  2. Step 2: Convert to fraction form
    303,241.52/454,493.28 = 214,520.60/x
  3. Step 3: Cross multiply
    303,241.52x = 454,493.28 × 214,520.60
  4. Step 4: Simplify right side
    303,241.52x = 97,498,171,121.57
  5. Step 5: Solve for x
    x = 97,498,171,121.57/303,241.52
  6. Step 6: Final answer
    x = 321,519.86

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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.