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Finding the Fourth Proportional to 297,662.90, 410,777.87 and 161,699.54

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Solution

The fourth proportional to 297,662.90, 410,777.87 and 161,699.54 is: 223,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,662.90 : 410,777.87 = 161,699.54 : x
  2. Step 2: Convert to fraction form
    297,662.90/410,777.87 = 161,699.54/x
  3. Step 3: Cross multiply
    297,662.90x = 410,777.87 × 161,699.54
  4. Step 4: Simplify right side
    297,662.90x = 66,422,589,758.79
  5. Step 5: Solve for x
    x = 66,422,589,758.79/297,662.90
  6. Step 6: Final answer
    x = 223,147.03

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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.