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Finding the Fourth Proportional to 503,361.54, 755,304.81 and 204,063.30

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Solution

The fourth proportional to 503,361.54, 755,304.81 and 204,063.30 is: 306,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,361.54 : 755,304.81 = 204,063.30 : x
  2. Step 2: Convert to fraction form
    503,361.54/755,304.81 = 204,063.30/x
  3. Step 3: Cross multiply
    503,361.54x = 755,304.81 × 204,063.30
  4. Step 4: Simplify right side
    503,361.54x = 154,129,992,034.47
  5. Step 5: Solve for x
    x = 154,129,992,034.47/503,361.54
  6. Step 6: Final answer
    x = 306,201.37

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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.