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Finding the Fourth Proportional to 397,270.80, 595,906.20 and 397,270.80

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Solution

The fourth proportional to 397,270.80, 595,906.20 and 397,270.80 is: 595,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,270.80 : 595,906.20 = 397,270.80 : x
  2. Step 2: Convert to fraction form
    397,270.80/595,906.20 = 397,270.80/x
  3. Step 3: Cross multiply
    397,270.80x = 595,906.20 × 397,270.80
  4. Step 4: Simplify right side
    397,270.80x = 236,736,132,798.96
  5. Step 5: Solve for x
    x = 236,736,132,798.96/397,270.80
  6. Step 6: Final answer
    x = 595,906.20

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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.