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Finding the Fourth Proportional to 293,440.61, 439,863.14 and 166,819.28

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Solution

The fourth proportional to 293,440.61, 439,863.14 and 166,819.28 is: 250,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,440.61 : 439,863.14 = 166,819.28 : x
  2. Step 2: Convert to fraction form
    293,440.61/439,863.14 = 166,819.28/x
  3. Step 3: Cross multiply
    293,440.61x = 439,863.14 × 166,819.28
  4. Step 4: Simplify right side
    293,440.61x = 73,377,649,279.93
  5. Step 5: Solve for x
    x = 73,377,649,279.93/293,440.61
  6. Step 6: Final answer
    x = 250,059.63

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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.