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Finding the Fourth Proportional to 568,983.10, 853,601.78 and 214,000.20

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Solution

The fourth proportional to 568,983.10, 853,601.78 and 214,000.20 is: 321,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,983.10 : 853,601.78 = 214,000.20 : x
  2. Step 2: Convert to fraction form
    568,983.10/853,601.78 = 214,000.20/x
  3. Step 3: Cross multiply
    568,983.10x = 853,601.78 × 214,000.20
  4. Step 4: Simplify right side
    568,983.10x = 182,670,951,640.36
  5. Step 5: Solve for x
    x = 182,670,951,640.36/568,983.10
  6. Step 6: Final answer
    x = 321,048.11

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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.