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Finding the Fourth Proportional to 449,502.62, 674,279.82 and 169,022.30

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Solution

The fourth proportional to 449,502.62, 674,279.82 and 169,022.30 is: 253,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,502.62 : 674,279.82 = 169,022.30 : x
  2. Step 2: Convert to fraction form
    449,502.62/674,279.82 = 169,022.30/x
  3. Step 3: Cross multiply
    449,502.62x = 674,279.82 × 169,022.30
  4. Step 4: Simplify right side
    449,502.62x = 113,968,326,019.99
  5. Step 5: Solve for x
    x = 113,968,326,019.99/449,502.62
  6. Step 6: Final answer
    x = 253,543.19

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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.