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Finding the Fourth Proportional to 293,991.39, 405,832.25 and 198,627.26

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Solution

The fourth proportional to 293,991.39, 405,832.25 and 198,627.26 is: 274,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,991.39 : 405,832.25 = 198,627.26 : x
  2. Step 2: Convert to fraction form
    293,991.39/405,832.25 = 198,627.26/x
  3. Step 3: Cross multiply
    293,991.39x = 405,832.25 × 198,627.26
  4. Step 4: Simplify right side
    293,991.39x = 80,609,346,304.54
  5. Step 5: Solve for x
    x = 80,609,346,304.54/293,991.39
  6. Step 6: Final answer
    x = 274,189.48

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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.