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Finding the Fourth Proportional to 306.84, 460.24 and 162.64

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Solution

The fourth proportional to 306.84, 460.24 and 162.64 is: 243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.84 : 460.24 = 162.64 : x
  2. Step 2: Convert to fraction form
    306.84/460.24 = 162.64/x
  3. Step 3: Cross multiply
    306.84x = 460.24 × 162.64
  4. Step 4: Simplify right side
    306.84x = 74,853.43
  5. Step 5: Solve for x
    x = 74,853.43/306.84
  6. Step 6: Final answer
    x = 243.95

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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.