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Finding the Fourth Proportional to 373,956.88, 516,058.44 and 204,189.79

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Solution

The fourth proportional to 373,956.88, 516,058.44 and 204,189.79 is: 281,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,956.88 : 516,058.44 = 204,189.79 : x
  2. Step 2: Convert to fraction form
    373,956.88/516,058.44 = 204,189.79/x
  3. Step 3: Cross multiply
    373,956.88x = 516,058.44 × 204,189.79
  4. Step 4: Simplify right side
    373,956.88x = 105,373,864,491.33
  5. Step 5: Solve for x
    x = 105,373,864,491.33/373,956.88
  6. Step 6: Final answer
    x = 281,780.79

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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.