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Finding the Fourth Proportional to 450.56, 675.95 and 162

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Solution

The fourth proportional to 450.56, 675.95 and 162 is: 243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.56 : 675.95 = 162 : x
  2. Step 2: Convert to fraction form
    450.56/675.95 = 162/x
  3. Step 3: Cross multiply
    450.56x = 675.95 × 162
  4. Step 4: Simplify right side
    450.56x = 109,503.09
  5. Step 5: Solve for x
    x = 109,503.09/450.56
  6. Step 6: Final answer
    x = 243.04

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