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Finding the Fourth Proportional to 366.96, 506.34 and 348.49

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Solution

The fourth proportional to 366.96, 506.34 and 348.49 is: 480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.96 : 506.34 = 348.49 : x
  2. Step 2: Convert to fraction form
    366.96/506.34 = 348.49/x
  3. Step 3: Cross multiply
    366.96x = 506.34 × 348.49
  4. Step 4: Simplify right side
    366.96x = 176,454.43
  5. Step 5: Solve for x
    x = 176,454.43/366.96
  6. Step 6: Final answer
    x = 480.85

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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.