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Finding the Fourth Proportional to 396,352, 594,528 and 133,696

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Solution

The fourth proportional to 396,352, 594,528 and 133,696 is: 200,544

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,352 : 594,528 = 133,696 : x
  2. Step 2: Convert to fraction form
    396,352/594,528 = 133,696/x
  3. Step 3: Cross multiply
    396,352x = 594,528 × 133,696
  4. Step 4: Simplify right side
    396,352x = 79,486,015,488
  5. Step 5: Solve for x
    x = 79,486,015,488/396,352
  6. Step 6: Final answer
    x = 200,544

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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.