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Finding the Fourth Proportional to 449,715.24, 674,503.20 and 196,940.16

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Solution

The fourth proportional to 449,715.24, 674,503.20 and 196,940.16 is: 295,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,715.24 : 674,503.20 = 196,940.16 : x
  2. Step 2: Convert to fraction form
    449,715.24/674,503.20 = 196,940.16/x
  3. Step 3: Cross multiply
    449,715.24x = 674,503.20 × 196,940.16
  4. Step 4: Simplify right side
    449,715.24x = 132,836,768,128.51
  5. Step 5: Solve for x
    x = 132,836,768,128.51/449,715.24
  6. Step 6: Final answer
    x = 295,379.73

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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.