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Finding the Fourth Proportional to 362.30, 499.97 and 214.93

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Solution

The fourth proportional to 362.30, 499.97 and 214.93 is: 296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.30 : 499.97 = 214.93 : x
  2. Step 2: Convert to fraction form
    362.30/499.97 = 214.93/x
  3. Step 3: Cross multiply
    362.30x = 499.97 × 214.93
  4. Step 4: Simplify right side
    362.30x = 107,458.31
  5. Step 5: Solve for x
    x = 107,458.31/362.30
  6. Step 6: Final answer
    x = 296.60

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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.