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Finding the Fourth Proportional to 193,647.60, 290,471.40 and 179,650.80

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Solution

The fourth proportional to 193,647.60, 290,471.40 and 179,650.80 is: 269,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,647.60 : 290,471.40 = 179,650.80 : x
  2. Step 2: Convert to fraction form
    193,647.60/290,471.40 = 179,650.80/x
  3. Step 3: Cross multiply
    193,647.60x = 290,471.40 × 179,650.80
  4. Step 4: Simplify right side
    193,647.60x = 52,183,419,387.12
  5. Step 5: Solve for x
    x = 52,183,419,387.12/193,647.60
  6. Step 6: Final answer
    x = 269,476.20

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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.