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Finding the Fourth Proportional to 396,347.99, 594,583.92 and 130,047.93

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Solution

The fourth proportional to 396,347.99, 594,583.92 and 130,047.93 is: 195,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,347.99 : 594,583.92 = 130,047.93 : x
  2. Step 2: Convert to fraction form
    396,347.99/594,583.92 = 130,047.93/x
  3. Step 3: Cross multiply
    396,347.99x = 594,583.92 × 130,047.93
  4. Step 4: Simplify right side
    396,347.99x = 77,324,408,007.29
  5. Step 5: Solve for x
    x = 77,324,408,007.29/396,347.99
  6. Step 6: Final answer
    x = 195,092.22

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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.