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Finding the Fourth Proportional to 397,252.80, 595,879.20 and 131,054.40

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Solution

The fourth proportional to 397,252.80, 595,879.20 and 131,054.40 is: 196,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,252.80 : 595,879.20 = 131,054.40 : x
  2. Step 2: Convert to fraction form
    397,252.80/595,879.20 = 131,054.40/x
  3. Step 3: Cross multiply
    397,252.80x = 595,879.20 × 131,054.40
  4. Step 4: Simplify right side
    397,252.80x = 78,092,591,028.48
  5. Step 5: Solve for x
    x = 78,092,591,028.48/397,252.80
  6. Step 6: Final answer
    x = 196,581.60

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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.