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Finding the Fourth Proportional to 967.20, 1,450.44 and 350.88

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Solution

The fourth proportional to 967.20, 1,450.44 and 350.88 is: 526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.20 : 1,450.44 = 350.88 : x
  2. Step 2: Convert to fraction form
    967.20/1,450.44 = 350.88/x
  3. Step 3: Cross multiply
    967.20x = 1,450.44 × 350.88
  4. Step 4: Simplify right side
    967.20x = 508,930.39
  5. Step 5: Solve for x
    x = 508,930.39/967.20
  6. Step 6: Final answer
    x = 526.19

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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.