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Finding the Fourth Proportional to 293,381.80, 404,469.32 and 250,818.49

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Solution

The fourth proportional to 293,381.80, 404,469.32 and 250,818.49 is: 345,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,381.80 : 404,469.32 = 250,818.49 : x
  2. Step 2: Convert to fraction form
    293,381.80/404,469.32 = 250,818.49/x
  3. Step 3: Cross multiply
    293,381.80x = 404,469.32 × 250,818.49
  4. Step 4: Simplify right side
    293,381.80x = 101,448,380,817.29
  5. Step 5: Solve for x
    x = 101,448,380,817.29/293,381.80
  6. Step 6: Final answer
    x = 345,789.62

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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.