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Finding the Fourth Proportional to 503,468.25, 755,204.40 and 203,954.48

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Solution

The fourth proportional to 503,468.25, 755,204.40 and 203,954.48 is: 305,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,468.25 : 755,204.40 = 203,954.48 : x
  2. Step 2: Convert to fraction form
    503,468.25/755,204.40 = 203,954.48/x
  3. Step 3: Cross multiply
    503,468.25x = 755,204.40 × 203,954.48
  4. Step 4: Simplify right side
    503,468.25x = 154,027,322,583.72
  5. Step 5: Solve for x
    x = 154,027,322,583.72/503,468.25
  6. Step 6: Final answer
    x = 305,932.54

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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.