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Finding the Fourth Proportional to 796.45, 1,193.59 and 591.79

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Solution

The fourth proportional to 796.45, 1,193.59 and 591.79 is: 886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.45 : 1,193.59 = 591.79 : x
  2. Step 2: Convert to fraction form
    796.45/1,193.59 = 591.79/x
  3. Step 3: Cross multiply
    796.45x = 1,193.59 × 591.79
  4. Step 4: Simplify right side
    796.45x = 706,354.63
  5. Step 5: Solve for x
    x = 706,354.63/796.45
  6. Step 6: Final answer
    x = 886.88

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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.