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Finding the Fourth Proportional to 967.76, 1,450.33 and 527.93

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Solution

The fourth proportional to 967.76, 1,450.33 and 527.93 is: 791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.76 : 1,450.33 = 527.93 : x
  2. Step 2: Convert to fraction form
    967.76/1,450.33 = 527.93/x
  3. Step 3: Cross multiply
    967.76x = 1,450.33 × 527.93
  4. Step 4: Simplify right side
    967.76x = 765,664.15
  5. Step 5: Solve for x
    x = 765,664.15/967.76
  6. Step 6: Final answer
    x = 791.18

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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.