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Finding the Fourth Proportional to 397,000.30, 595,755.60 and 219,634.60

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Solution

The fourth proportional to 397,000.30, 595,755.60 and 219,634.60 is: 329,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,000.30 : 595,755.60 = 219,634.60 : x
  2. Step 2: Convert to fraction form
    397,000.30/595,755.60 = 219,634.60/x
  3. Step 3: Cross multiply
    397,000.30x = 595,755.60 × 219,634.60
  4. Step 4: Simplify right side
    397,000.30x = 130,848,542,903.76
  5. Step 5: Solve for x
    x = 130,848,542,903.76/397,000.30
  6. Step 6: Final answer
    x = 329,593.06

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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.