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Finding the Fourth Proportional to 397,234.20, 595,851.30 and 394,469.40

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Solution

The fourth proportional to 397,234.20, 595,851.30 and 394,469.40 is: 591,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,234.20 : 595,851.30 = 394,469.40 : x
  2. Step 2: Convert to fraction form
    397,234.20/595,851.30 = 394,469.40/x
  3. Step 3: Cross multiply
    397,234.20x = 595,851.30 × 394,469.40
  4. Step 4: Simplify right side
    397,234.20x = 235,045,104,800.22
  5. Step 5: Solve for x
    x = 235,045,104,800.22/397,234.20
  6. Step 6: Final answer
    x = 591,704.10

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Similar ratio
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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.