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Finding the Fourth Proportional to 606.60, 837 and 344.56

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Solution

The fourth proportional to 606.60, 837 and 344.56 is: 475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.60 : 837 = 344.56 : x
  2. Step 2: Convert to fraction form
    606.60/837 = 344.56/x
  3. Step 3: Cross multiply
    606.60x = 837 × 344.56
  4. Step 4: Simplify right side
    606.60x = 288,396.72
  5. Step 5: Solve for x
    x = 288,396.72/606.60
  6. Step 6: Final answer
    x = 475.43

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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.