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Finding the Fourth Proportional to 467,351.28, 644,975.10 and 271,157.94

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Solution

The fourth proportional to 467,351.28, 644,975.10 and 271,157.94 is: 374,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,351.28 : 644,975.10 = 271,157.94 : x
  2. Step 2: Convert to fraction form
    467,351.28/644,975.10 = 271,157.94/x
  3. Step 3: Cross multiply
    467,351.28x = 644,975.10 × 271,157.94
  4. Step 4: Simplify right side
    467,351.28x = 174,890,119,467.29
  5. Step 5: Solve for x
    x = 174,890,119,467.29/467,351.28
  6. Step 6: Final answer
    x = 374,215.56

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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.