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Finding the Fourth Proportional to 795.32, 1,097.21 and 573.78

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Solution

The fourth proportional to 795.32, 1,097.21 and 573.78 is: 791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.32 : 1,097.21 = 573.78 : x
  2. Step 2: Convert to fraction form
    795.32/1,097.21 = 573.78/x
  3. Step 3: Cross multiply
    795.32x = 1,097.21 × 573.78
  4. Step 4: Simplify right side
    795.32x = 629,558.59
  5. Step 5: Solve for x
    x = 629,558.59/795.32
  6. Step 6: Final answer
    x = 791.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.