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Finding the Fourth Proportional to 295,662.56, 408,015.60 and 161,529.44

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Solution

The fourth proportional to 295,662.56, 408,015.60 and 161,529.44 is: 222,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,662.56 : 408,015.60 = 161,529.44 : x
  2. Step 2: Convert to fraction form
    295,662.56/408,015.60 = 161,529.44/x
  3. Step 3: Cross multiply
    295,662.56x = 408,015.60 × 161,529.44
  4. Step 4: Simplify right side
    295,662.56x = 65,906,531,379.26
  5. Step 5: Solve for x
    x = 65,906,531,379.26/295,662.56
  6. Step 6: Final answer
    x = 222,911.32

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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.