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Finding the Fourth Proportional to 362.54, 500.10 and 231.32

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Solution

The fourth proportional to 362.54, 500.10 and 231.32 is: 319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.54 : 500.10 = 231.32 : x
  2. Step 2: Convert to fraction form
    362.54/500.10 = 231.32/x
  3. Step 3: Cross multiply
    362.54x = 500.10 × 231.32
  4. Step 4: Simplify right side
    362.54x = 115,683.13
  5. Step 5: Solve for x
    x = 115,683.13/362.54
  6. Step 6: Final answer
    x = 319.09

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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.