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Finding the Fourth Proportional to 362.36, 499.28 and 352.11

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Solution

The fourth proportional to 362.36, 499.28 and 352.11 is: 485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.36 : 499.28 = 352.11 : x
  2. Step 2: Convert to fraction form
    362.36/499.28 = 352.11/x
  3. Step 3: Cross multiply
    362.36x = 499.28 × 352.11
  4. Step 4: Simplify right side
    362.36x = 175,799.72
  5. Step 5: Solve for x
    x = 175,799.72/362.36
  6. Step 6: Final answer
    x = 485.16

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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.