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Finding the Fourth Proportional to 293,276.48, 404,722.24 and 159,140.48

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Solution

The fourth proportional to 293,276.48, 404,722.24 and 159,140.48 is: 219,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,276.48 : 404,722.24 = 159,140.48 : x
  2. Step 2: Convert to fraction form
    293,276.48/404,722.24 = 159,140.48/x
  3. Step 3: Cross multiply
    293,276.48x = 404,722.24 × 159,140.48
  4. Step 4: Simplify right side
    293,276.48x = 64,407,691,540.28
  5. Step 5: Solve for x
    x = 64,407,691,540.28/293,276.48
  6. Step 6: Final answer
    x = 219,614.24

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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.