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Finding the Fourth Proportional to 329,351.69, 454,453.67 and 191,561.11

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Solution

The fourth proportional to 329,351.69, 454,453.67 and 191,561.11 is: 264,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,351.69 : 454,453.67 = 191,561.11 : x
  2. Step 2: Convert to fraction form
    329,351.69/454,453.67 = 191,561.11/x
  3. Step 3: Cross multiply
    329,351.69x = 454,453.67 × 191,561.11
  4. Step 4: Simplify right side
    329,351.69x = 87,055,648,811.54
  5. Step 5: Solve for x
    x = 87,055,648,811.54/329,351.69
  6. Step 6: Final answer
    x = 264,324.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.