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Finding the Fourth Proportional to 362.28, 499.97 and 214.95

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Solution

The fourth proportional to 362.28, 499.97 and 214.95 is: 296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.28 : 499.97 = 214.95 : x
  2. Step 2: Convert to fraction form
    362.28/499.97 = 214.95/x
  3. Step 3: Cross multiply
    362.28x = 499.97 × 214.95
  4. Step 4: Simplify right side
    362.28x = 107,467.48
  5. Step 5: Solve for x
    x = 107,467.48/362.28
  6. Step 6: Final answer
    x = 296.64

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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.