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Finding the Fourth Proportional to 449,501.09, 674,350.11 and 169,018.34

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Solution

The fourth proportional to 449,501.09, 674,350.11 and 169,018.34 is: 253,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,501.09 : 674,350.11 = 169,018.34 : x
  2. Step 2: Convert to fraction form
    449,501.09/674,350.11 = 169,018.34/x
  3. Step 3: Cross multiply
    449,501.09x = 674,350.11 × 169,018.34
  4. Step 4: Simplify right side
    449,501.09x = 113,977,532,799.27
  5. Step 5: Solve for x
    x = 113,977,532,799.27/449,501.09
  6. Step 6: Final answer
    x = 253,564.53

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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.