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Finding the Fourth Proportional to 293,217.48, 404,640.90 and 159,081.48

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Solution

The fourth proportional to 293,217.48, 404,640.90 and 159,081.48 is: 219,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,217.48 : 404,640.90 = 159,081.48 : x
  2. Step 2: Convert to fraction form
    293,217.48/404,640.90 = 159,081.48/x
  3. Step 3: Cross multiply
    293,217.48x = 404,640.90 × 159,081.48
  4. Step 4: Simplify right side
    293,217.48x = 64,370,873,240.53
  5. Step 5: Solve for x
    x = 64,370,873,240.53/293,217.48
  6. Step 6: Final answer
    x = 219,532.86

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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.