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Finding the Fourth Proportional to 373,846.38, 515,907.78 and 204,080.46

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Solution

The fourth proportional to 373,846.38, 515,907.78 and 204,080.46 is: 281,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,846.38 : 515,907.78 = 204,080.46 : x
  2. Step 2: Convert to fraction form
    373,846.38/515,907.78 = 204,080.46/x
  3. Step 3: Cross multiply
    373,846.38x = 515,907.78 × 204,080.46
  4. Step 4: Simplify right side
    373,846.38x = 105,286,697,059.98
  5. Step 5: Solve for x
    x = 105,286,697,059.98/373,846.38
  6. Step 6: Final answer
    x = 281,630.91

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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.