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Finding the Fourth Proportional to 396,838.77, 595,217.59 and 108,676.03

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Solution

The fourth proportional to 396,838.77, 595,217.59 and 108,676.03 is: 163,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,838.77 : 595,217.59 = 108,676.03 : x
  2. Step 2: Convert to fraction form
    396,838.77/595,217.59 = 108,676.03/x
  3. Step 3: Cross multiply
    396,838.77x = 595,217.59 × 108,676.03
  4. Step 4: Simplify right side
    396,838.77x = 64,685,884,329.32
  5. Step 5: Solve for x
    x = 64,685,884,329.32/396,838.77
  6. Step 6: Final answer
    x = 163,002.94

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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.