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Finding the Fourth Proportional to 383.74, 575.48 and 167.26

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Solution

The fourth proportional to 383.74, 575.48 and 167.26 is: 250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.74 : 575.48 = 167.26 : x
  2. Step 2: Convert to fraction form
    383.74/575.48 = 167.26/x
  3. Step 3: Cross multiply
    383.74x = 575.48 × 167.26
  4. Step 4: Simplify right side
    383.74x = 96,254.78
  5. Step 5: Solve for x
    x = 96,254.78/383.74
  6. Step 6: Final answer
    x = 250.83

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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.