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Finding the Fourth Proportional to 967.22, 1,450.90 and 350.93

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Solution

The fourth proportional to 967.22, 1,450.90 and 350.93 is: 526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.22 : 1,450.90 = 350.93 : x
  2. Step 2: Convert to fraction form
    967.22/1,450.90 = 350.93/x
  3. Step 3: Cross multiply
    967.22x = 1,450.90 × 350.93
  4. Step 4: Simplify right side
    967.22x = 509,164.34
  5. Step 5: Solve for x
    x = 509,164.34/967.22
  6. Step 6: Final answer
    x = 526.42

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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.