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Finding the Fourth Proportional to 373,874.46, 515,944.13 and 204,108.59

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Solution

The fourth proportional to 373,874.46, 515,944.13 and 204,108.59 is: 281,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,874.46 : 515,944.13 = 204,108.59 : x
  2. Step 2: Convert to fraction form
    373,874.46/515,944.13 = 204,108.59/x
  3. Step 3: Cross multiply
    373,874.46x = 515,944.13 × 204,108.59
  4. Step 4: Simplify right side
    373,874.46x = 105,308,625,292.81
  5. Step 5: Solve for x
    x = 105,308,625,292.81/373,874.46
  6. Step 6: Final answer
    x = 281,668.41

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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.