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Finding the Fourth Proportional to 796.50, 1,193.94 and 406.26

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Solution

The fourth proportional to 796.50, 1,193.94 and 406.26 is: 608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.50 : 1,193.94 = 406.26 : x
  2. Step 2: Convert to fraction form
    796.50/1,193.94 = 406.26/x
  3. Step 3: Cross multiply
    796.50x = 1,193.94 × 406.26
  4. Step 4: Simplify right side
    796.50x = 485,050.06
  5. Step 5: Solve for x
    x = 485,050.06/796.50
  6. Step 6: Final answer
    x = 608.98

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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.