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Finding the Fourth Proportional to 396,663.36, 595,111.69 and 159,884.16

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Solution

The fourth proportional to 396,663.36, 595,111.69 and 159,884.16 is: 239,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,663.36 : 595,111.69 = 159,884.16 : x
  2. Step 2: Convert to fraction form
    396,663.36/595,111.69 = 159,884.16/x
  3. Step 3: Cross multiply
    396,663.36x = 595,111.69 × 159,884.16
  4. Step 4: Simplify right side
    396,663.36x = 95,148,932,661.83
  5. Step 5: Solve for x
    x = 95,148,932,661.83/396,663.36
  6. Step 6: Final answer
    x = 239,873.26

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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.