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Finding the Fourth Proportional to 382.27, 573.35 and 162.98

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Solution

The fourth proportional to 382.27, 573.35 and 162.98 is: 244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.27 : 573.35 = 162.98 : x
  2. Step 2: Convert to fraction form
    382.27/573.35 = 162.98/x
  3. Step 3: Cross multiply
    382.27x = 573.35 × 162.98
  4. Step 4: Simplify right side
    382.27x = 93,445.61
  5. Step 5: Solve for x
    x = 93,445.61/382.27
  6. Step 6: Final answer
    x = 244.45

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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.