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Finding the Fourth Proportional to 297,777.60, 410,932.32 and 161,811.56

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Solution

The fourth proportional to 297,777.60, 410,932.32 and 161,811.56 is: 223,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,777.60 : 410,932.32 = 161,811.56 : x
  2. Step 2: Convert to fraction form
    297,777.60/410,932.32 = 161,811.56/x
  3. Step 3: Cross multiply
    297,777.60x = 410,932.32 × 161,811.56
  4. Step 4: Simplify right side
    297,777.60x = 66,493,599,753.62
  5. Step 5: Solve for x
    x = 66,493,599,753.62/297,777.60
  6. Step 6: Final answer
    x = 223,299.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.