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Finding the Fourth Proportional to 444,640.90, 667,058.55 and 220,108.90

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Solution

The fourth proportional to 444,640.90, 667,058.55 and 220,108.90 is: 330,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,640.90 : 667,058.55 = 220,108.90 : x
  2. Step 2: Convert to fraction form
    444,640.90/667,058.55 = 220,108.90/x
  3. Step 3: Cross multiply
    444,640.90x = 667,058.55 × 220,108.90
  4. Step 4: Simplify right side
    444,640.90x = 146,825,523,676.10
  5. Step 5: Solve for x
    x = 146,825,523,676.10/444,640.90
  6. Step 6: Final answer
    x = 330,211.47

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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.