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Finding the Fourth Proportional to 796.96, 1,193.91 and 603.22

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Solution

The fourth proportional to 796.96, 1,193.91 and 603.22 is: 903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.96 : 1,193.91 = 603.22 : x
  2. Step 2: Convert to fraction form
    796.96/1,193.91 = 603.22/x
  3. Step 3: Cross multiply
    796.96x = 1,193.91 × 603.22
  4. Step 4: Simplify right side
    796.96x = 720,190.39
  5. Step 5: Solve for x
    x = 720,190.39/796.96
  6. Step 6: Final answer
    x = 903.67

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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.