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Finding the Fourth Proportional to 449,910.30, 675,124.65 and 169,628.70

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Solution

The fourth proportional to 449,910.30, 675,124.65 and 169,628.70 is: 254,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,910.30 : 675,124.65 = 169,628.70 : x
  2. Step 2: Convert to fraction form
    449,910.30/675,124.65 = 169,628.70/x
  3. Step 3: Cross multiply
    449,910.30x = 675,124.65 × 169,628.70
  4. Step 4: Simplify right side
    449,910.30x = 114,520,516,717.46
  5. Step 5: Solve for x
    x = 114,520,516,717.46/449,910.30
  6. Step 6: Final answer
    x = 254,540.78

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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.