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Finding the Fourth Proportional to 362.88, 501.12 and 252.48

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Solution

The fourth proportional to 362.88, 501.12 and 252.48 is: 348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.88 : 501.12 = 252.48 : x
  2. Step 2: Convert to fraction form
    362.88/501.12 = 252.48/x
  3. Step 3: Cross multiply
    362.88x = 501.12 × 252.48
  4. Step 4: Simplify right side
    362.88x = 126,522.78
  5. Step 5: Solve for x
    x = 126,522.78/362.88
  6. Step 6: Final answer
    x = 348.66

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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.