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Finding the Fourth Proportional to 373,806.66, 515,853.05 and 204,040.79

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Solution

The fourth proportional to 373,806.66, 515,853.05 and 204,040.79 is: 281,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,806.66 : 515,853.05 = 204,040.79 : x
  2. Step 2: Convert to fraction form
    373,806.66/515,853.05 = 204,040.79/x
  3. Step 3: Cross multiply
    373,806.66x = 515,853.05 × 204,040.79
  4. Step 4: Simplify right side
    373,806.66x = 105,255,061,776.75
  5. Step 5: Solve for x
    x = 105,255,061,776.75/373,806.66
  6. Step 6: Final answer
    x = 281,576.21

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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.