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Finding the Fourth Proportional to 967.21, 1,450.82 and 350.92

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Solution

The fourth proportional to 967.21, 1,450.82 and 350.92 is: 526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.21 : 1,450.82 = 350.92 : x
  2. Step 2: Convert to fraction form
    967.21/1,450.82 = 350.92/x
  3. Step 3: Cross multiply
    967.21x = 1,450.82 × 350.92
  4. Step 4: Simplify right side
    967.21x = 509,115.88
  5. Step 5: Solve for x
    x = 509,115.88/967.21
  6. Step 6: Final answer
    x = 526.37

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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.