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Finding the Fourth Proportional to 293,882.40, 439,657.20 and 254,872.80

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Solution

The fourth proportional to 293,882.40, 439,657.20 and 254,872.80 is: 381,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,882.40 : 439,657.20 = 254,872.80 : x
  2. Step 2: Convert to fraction form
    293,882.40/439,657.20 = 254,872.80/x
  3. Step 3: Cross multiply
    293,882.40x = 439,657.20 × 254,872.80
  4. Step 4: Simplify right side
    293,882.40x = 112,056,661,604.16
  5. Step 5: Solve for x
    x = 112,056,661,604.16/293,882.40
  6. Step 6: Final answer
    x = 381,297.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.