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Finding the Fourth Proportional to 373,799.70, 515,843.64 and 204,033.84

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Solution

The fourth proportional to 373,799.70, 515,843.64 and 204,033.84 is: 281,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,799.70 : 515,843.64 = 204,033.84 : x
  2. Step 2: Convert to fraction form
    373,799.70/515,843.64 = 204,033.84/x
  3. Step 3: Cross multiply
    373,799.70x = 515,843.64 × 204,033.84
  4. Step 4: Simplify right side
    373,799.70x = 105,249,558,708.78
  5. Step 5: Solve for x
    x = 105,249,558,708.78/373,799.70
  6. Step 6: Final answer
    x = 281,566.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.