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Finding the Fourth Proportional to 293,472.90, 404,267.13 and 250,311.78

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Solution

The fourth proportional to 293,472.90, 404,267.13 and 250,311.78 is: 344,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,472.90 : 404,267.13 = 250,311.78 : x
  2. Step 2: Convert to fraction form
    293,472.90/404,267.13 = 250,311.78/x
  3. Step 3: Cross multiply
    293,472.90x = 404,267.13 × 250,311.78
  4. Step 4: Simplify right side
    293,472.90x = 101,192,824,905.79
  5. Step 5: Solve for x
    x = 101,192,824,905.79/293,472.90
  6. Step 6: Final answer
    x = 344,811.48

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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.