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Finding the Fourth Proportional to 362.86, 544.11 and 146.41

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Solution

The fourth proportional to 362.86, 544.11 and 146.41 is: 219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.86 : 544.11 = 146.41 : x
  2. Step 2: Convert to fraction form
    362.86/544.11 = 146.41/x
  3. Step 3: Cross multiply
    362.86x = 544.11 × 146.41
  4. Step 4: Simplify right side
    362.86x = 79,663.15
  5. Step 5: Solve for x
    x = 79,663.15/362.86
  6. Step 6: Final answer
    x = 219.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.