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Finding the Fourth Proportional to 449,901.30, 675,111.15 and 169,619.70

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Solution

The fourth proportional to 449,901.30, 675,111.15 and 169,619.70 is: 254,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,901.30 : 675,111.15 = 169,619.70 : x
  2. Step 2: Convert to fraction form
    449,901.30/675,111.15 = 169,619.70/x
  3. Step 3: Cross multiply
    449,901.30x = 675,111.15 × 169,619.70
  4. Step 4: Simplify right side
    449,901.30x = 114,512,150,729.66
  5. Step 5: Solve for x
    x = 114,512,150,729.66/449,901.30
  6. Step 6: Final answer
    x = 254,527.27

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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.