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Finding the Fourth Proportional to 297.60, 446.08 and 236.64

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Solution

The fourth proportional to 297.60, 446.08 and 236.64 is: 354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.60 : 446.08 = 236.64 : x
  2. Step 2: Convert to fraction form
    297.60/446.08 = 236.64/x
  3. Step 3: Cross multiply
    297.60x = 446.08 × 236.64
  4. Step 4: Simplify right side
    297.60x = 105,560.37
  5. Step 5: Solve for x
    x = 105,560.37/297.60
  6. Step 6: Final answer
    x = 354.71

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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.