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Finding the Fourth Proportional to 961.35, 1,441.34 and 467.23

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Solution

The fourth proportional to 961.35, 1,441.34 and 467.23 is: 700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.35 : 1,441.34 = 467.23 : x
  2. Step 2: Convert to fraction form
    961.35/1,441.34 = 467.23/x
  3. Step 3: Cross multiply
    961.35x = 1,441.34 × 467.23
  4. Step 4: Simplify right side
    961.35x = 673,437.29
  5. Step 5: Solve for x
    x = 673,437.29/961.35
  6. Step 6: Final answer
    x = 700.51

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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.