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Finding the Fourth Proportional to 445,954.41, 669,033.72 and 193,277.34

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Solution

The fourth proportional to 445,954.41, 669,033.72 and 193,277.34 is: 289,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,954.41 : 669,033.72 = 193,277.34 : x
  2. Step 2: Convert to fraction form
    445,954.41/669,033.72 = 193,277.34/x
  3. Step 3: Cross multiply
    445,954.41x = 669,033.72 × 193,277.34
  4. Step 4: Simplify right side
    445,954.41x = 129,309,057,771.91
  5. Step 5: Solve for x
    x = 129,309,057,771.91/445,954.41
  6. Step 6: Final answer
    x = 289,960.26

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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.