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Finding the Fourth Proportional to 379,202.64, 568,664.43 and 154,441

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Solution

The fourth proportional to 379,202.64, 568,664.43 and 154,441 is: 231,604.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,202.64 : 568,664.43 = 154,441 : x
  2. Step 2: Convert to fraction form
    379,202.64/568,664.43 = 154,441/x
  3. Step 3: Cross multiply
    379,202.64x = 568,664.43 × 154,441
  4. Step 4: Simplify right side
    379,202.64x = 87,825,103,233.63
  5. Step 5: Solve for x
    x = 87,825,103,233.63/379,202.64
  6. Step 6: Final answer
    x = 231,604.67

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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.