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Finding the Fourth Proportional to 293,781.52, 405,418.48 and 159,645.52

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Solution

The fourth proportional to 293,781.52, 405,418.48 and 159,645.52 is: 220,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,781.52 : 405,418.48 = 159,645.52 : x
  2. Step 2: Convert to fraction form
    293,781.52/405,418.48 = 159,645.52/x
  3. Step 3: Cross multiply
    293,781.52x = 405,418.48 × 159,645.52
  4. Step 4: Simplify right side
    293,781.52x = 64,723,244,057.21
  5. Step 5: Solve for x
    x = 64,723,244,057.21/293,781.52
  6. Step 6: Final answer
    x = 220,310.81

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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.