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Finding the Fourth Proportional to 456.06, 683.67 and 167.43

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Solution

The fourth proportional to 456.06, 683.67 and 167.43 is: 250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.06 : 683.67 = 167.43 : x
  2. Step 2: Convert to fraction form
    456.06/683.67 = 167.43/x
  3. Step 3: Cross multiply
    456.06x = 683.67 × 167.43
  4. Step 4: Simplify right side
    456.06x = 114,466.87
  5. Step 5: Solve for x
    x = 114,466.87/456.06
  6. Step 6: Final answer
    x = 250.99

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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.