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Finding the Fourth Proportional to 396,494.33, 594,803.66 and 130,194.27

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Solution

The fourth proportional to 396,494.33, 594,803.66 and 130,194.27 is: 195,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,494.33 : 594,803.66 = 130,194.27 : x
  2. Step 2: Convert to fraction form
    396,494.33/594,803.66 = 130,194.27/x
  3. Step 3: Cross multiply
    396,494.33x = 594,803.66 × 130,194.27
  4. Step 4: Simplify right side
    396,494.33x = 77,440,027,656.06
  5. Step 5: Solve for x
    x = 77,440,027,656.06/396,494.33
  6. Step 6: Final answer
    x = 195,311.82

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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.