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Finding the Fourth Proportional to 455.93, 683.96 and 167.34

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Solution

The fourth proportional to 455.93, 683.96 and 167.34 is: 251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    455.93 : 683.96 = 167.34 : x
  2. Step 2: Convert to fraction form
    455.93/683.96 = 167.34/x
  3. Step 3: Cross multiply
    455.93x = 683.96 × 167.34
  4. Step 4: Simplify right side
    455.93x = 114,456.54
  5. Step 5: Solve for x
    x = 114,456.54/455.93
  6. Step 6: Final answer
    x = 251.04

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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.