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Finding the Fourth Proportional to 362.07, 498.42 and 325.22

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Solution

The fourth proportional to 362.07, 498.42 and 325.22 is: 447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.07 : 498.42 = 325.22 : x
  2. Step 2: Convert to fraction form
    362.07/498.42 = 325.22/x
  3. Step 3: Cross multiply
    362.07x = 498.42 × 325.22
  4. Step 4: Simplify right side
    362.07x = 162,093.66
  5. Step 5: Solve for x
    x = 162,093.66/362.07
  6. Step 6: Final answer
    x = 447.69

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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.