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Finding the Fourth Proportional to 797.52, 1,196.09 and 335.31

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Solution

The fourth proportional to 797.52, 1,196.09 and 335.31 is: 502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.52 : 1,196.09 = 335.31 : x
  2. Step 2: Convert to fraction form
    797.52/1,196.09 = 335.31/x
  3. Step 3: Cross multiply
    797.52x = 1,196.09 × 335.31
  4. Step 4: Simplify right side
    797.52x = 401,055.09
  5. Step 5: Solve for x
    x = 401,055.09/797.52
  6. Step 6: Final answer
    x = 502.88

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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.