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Finding the Fourth Proportional to 297,850.89, 411,037.38 and 161,884.85

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Solution

The fourth proportional to 297,850.89, 411,037.38 and 161,884.85 is: 223,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,850.89 : 411,037.38 = 161,884.85 : x
  2. Step 2: Convert to fraction form
    297,850.89/411,037.38 = 161,884.85/x
  3. Step 3: Cross multiply
    297,850.89x = 411,037.38 × 161,884.85
  4. Step 4: Simplify right side
    297,850.89x = 66,540,722,550.51
  5. Step 5: Solve for x
    x = 66,540,722,550.51/297,850.89
  6. Step 6: Final answer
    x = 223,402.80

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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.