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Finding the Fourth Proportional to 449,502.09, 674,351.61 and 169,019.34

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Solution

The fourth proportional to 449,502.09, 674,351.61 and 169,019.34 is: 253,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,502.09 : 674,351.61 = 169,019.34 : x
  2. Step 2: Convert to fraction form
    449,502.09/674,351.61 = 169,019.34/x
  3. Step 3: Cross multiply
    449,502.09x = 674,351.61 × 169,019.34
  4. Step 4: Simplify right side
    449,502.09x = 113,978,464,050.14
  5. Step 5: Solve for x
    x = 113,978,464,050.14/449,502.09
  6. Step 6: Final answer
    x = 253,566.04

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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.