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Finding the Fourth Proportional to 396,601.89, 594,841.17 and 130,360.56

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Solution

The fourth proportional to 396,601.89, 594,841.17 and 130,360.56 is: 195,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,601.89 : 594,841.17 = 130,360.56 : x
  2. Step 2: Convert to fraction form
    396,601.89/594,841.17 = 130,360.56/x
  3. Step 3: Cross multiply
    396,601.89x = 594,841.17 × 130,360.56
  4. Step 4: Simplify right side
    396,601.89x = 77,543,828,032.26
  5. Step 5: Solve for x
    x = 77,543,828,032.26/396,601.89
  6. Step 6: Final answer
    x = 195,520.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.