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Finding the Fourth Proportional to 964.64, 1,446.96 and 234.22

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Solution

The fourth proportional to 964.64, 1,446.96 and 234.22 is: 351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.64 : 1,446.96 = 234.22 : x
  2. Step 2: Convert to fraction form
    964.64/1,446.96 = 234.22/x
  3. Step 3: Cross multiply
    964.64x = 1,446.96 × 234.22
  4. Step 4: Simplify right side
    964.64x = 338,907.00
  5. Step 5: Solve for x
    x = 338,907.00/964.64
  6. Step 6: Final answer
    x = 351.33

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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.