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Finding the Fourth Proportional to 449,530.38, 674,394.12 and 169,047.54

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Solution

The fourth proportional to 449,530.38, 674,394.12 and 169,047.54 is: 253,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,530.38 : 674,394.12 = 169,047.54 : x
  2. Step 2: Convert to fraction form
    449,530.38/674,394.12 = 169,047.54/x
  3. Step 3: Cross multiply
    449,530.38x = 674,394.12 × 169,047.54
  4. Step 4: Simplify right side
    449,530.38x = 114,004,666,976.47
  5. Step 5: Solve for x
    x = 114,004,666,976.47/449,530.38
  6. Step 6: Final answer
    x = 253,608.37

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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.