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Finding the Fourth Proportional to 383.76, 575.73 and 167.34

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Solution

The fourth proportional to 383.76, 575.73 and 167.34 is: 251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.76 : 575.73 = 167.34 : x
  2. Step 2: Convert to fraction form
    383.76/575.73 = 167.34/x
  3. Step 3: Cross multiply
    383.76x = 575.73 × 167.34
  4. Step 4: Simplify right side
    383.76x = 96,342.66
  5. Step 5: Solve for x
    x = 96,342.66/383.76
  6. Step 6: Final answer
    x = 251.05

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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.