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Finding the Fourth Proportional to 449,496.11, 674,270.07 and 169,015.79

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Solution

The fourth proportional to 449,496.11, 674,270.07 and 169,015.79 is: 253,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,496.11 : 674,270.07 = 169,015.79 : x
  2. Step 2: Convert to fraction form
    449,496.11/674,270.07 = 169,015.79/x
  3. Step 3: Cross multiply
    449,496.11x = 674,270.07 × 169,015.79
  4. Step 4: Simplify right side
    449,496.11x = 113,962,288,554.41
  5. Step 5: Solve for x
    x = 113,962,288,554.41/449,496.11
  6. Step 6: Final answer
    x = 253,533.43

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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.