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Finding the Fourth Proportional to 964.34, 1,446.51 and 233.91

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Solution

The fourth proportional to 964.34, 1,446.51 and 233.91 is: 350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.34 : 1,446.51 = 233.91 : x
  2. Step 2: Convert to fraction form
    964.34/1,446.51 = 233.91/x
  3. Step 3: Cross multiply
    964.34x = 1,446.51 × 233.91
  4. Step 4: Simplify right side
    964.34x = 338,353.15
  5. Step 5: Solve for x
    x = 338,353.15/964.34
  6. Step 6: Final answer
    x = 350.87

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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.