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Finding the Fourth Proportional to 396,883.86, 595,399.62 and 130,663.08

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Solution

The fourth proportional to 396,883.86, 595,399.62 and 130,663.08 is: 196,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,883.86 : 595,399.62 = 130,663.08 : x
  2. Step 2: Convert to fraction form
    396,883.86/595,399.62 = 130,663.08/x
  3. Step 3: Cross multiply
    396,883.86x = 595,399.62 × 130,663.08
  4. Step 4: Simplify right side
    396,883.86x = 77,796,748,180.03
  5. Step 5: Solve for x
    x = 77,796,748,180.03/396,883.86
  6. Step 6: Final answer
    x = 196,018.93

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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.