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Finding the Fourth Proportional to 243.59, 334.52 and 208.62

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Solution

The fourth proportional to 243.59, 334.52 and 208.62 is: 286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.59 : 334.52 = 208.62 : x
  2. Step 2: Convert to fraction form
    243.59/334.52 = 208.62/x
  3. Step 3: Cross multiply
    243.59x = 334.52 × 208.62
  4. Step 4: Simplify right side
    243.59x = 69,788.08
  5. Step 5: Solve for x
    x = 69,788.08/243.59
  6. Step 6: Final answer
    x = 286.50

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.