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Finding the Fourth Proportional to 360.72, 497.50 and 236.52

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Solution

The fourth proportional to 360.72, 497.50 and 236.52 is: 326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.72 : 497.50 = 236.52 : x
  2. Step 2: Convert to fraction form
    360.72/497.50 = 236.52/x
  3. Step 3: Cross multiply
    360.72x = 497.50 × 236.52
  4. Step 4: Simplify right side
    360.72x = 117,668.70
  5. Step 5: Solve for x
    x = 117,668.70/360.72
  6. Step 6: Final answer
    x = 326.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.