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Finding the Fourth Proportional to 384, 576.24 and 167.53

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Solution

The fourth proportional to 384, 576.24 and 167.53 is: 251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384 : 576.24 = 167.53 : x
  2. Step 2: Convert to fraction form
    384/576.24 = 167.53/x
  3. Step 3: Cross multiply
    384x = 576.24 × 167.53
  4. Step 4: Simplify right side
    384x = 96,537.49
  5. Step 5: Solve for x
    x = 96,537.49/384
  6. Step 6: Final answer
    x = 251.40

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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.