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Finding the Fourth Proportional to 449,502.59, 674,352.36 and 169,019.84

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Solution

The fourth proportional to 449,502.59, 674,352.36 and 169,019.84 is: 253,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,502.59 : 674,352.36 = 169,019.84 : x
  2. Step 2: Convert to fraction form
    449,502.59/674,352.36 = 169,019.84/x
  3. Step 3: Cross multiply
    449,502.59x = 674,352.36 × 169,019.84
  4. Step 4: Simplify right side
    449,502.59x = 113,978,924,619.06
  5. Step 5: Solve for x
    x = 113,978,924,619.06/449,502.59
  6. Step 6: Final answer
    x = 253,566.78

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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.