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Finding the Fourth Proportional to 383.36, 574.88 and 167.08

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Solution

The fourth proportional to 383.36, 574.88 and 167.08 is: 250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.36 : 574.88 = 167.08 : x
  2. Step 2: Convert to fraction form
    383.36/574.88 = 167.08/x
  3. Step 3: Cross multiply
    383.36x = 574.88 × 167.08
  4. Step 4: Simplify right side
    383.36x = 96,050.95
  5. Step 5: Solve for x
    x = 96,050.95/383.36
  6. Step 6: Final answer
    x = 250.55

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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.