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Finding the Fourth Proportional to 396,463.83, 594,945.91 and 168,759.09

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Solution

The fourth proportional to 396,463.83, 594,945.91 and 168,759.09 is: 253,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,463.83 : 594,945.91 = 168,759.09 : x
  2. Step 2: Convert to fraction form
    396,463.83/594,945.91 = 168,759.09/x
  3. Step 3: Cross multiply
    396,463.83x = 594,945.91 × 168,759.09
  4. Step 4: Simplify right side
    396,463.83x = 100,402,531,874.79
  5. Step 5: Solve for x
    x = 100,402,531,874.79/396,463.83
  6. Step 6: Final answer
    x = 253,245.13

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1.5x scale

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.