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Finding the Fourth Proportional to 797.58, 1,196.63 and 335.49

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Solution

The fourth proportional to 797.58, 1,196.63 and 335.49 is: 503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.58 : 1,196.63 = 335.49 : x
  2. Step 2: Convert to fraction form
    797.58/1,196.63 = 335.49/x
  3. Step 3: Cross multiply
    797.58x = 1,196.63 × 335.49
  4. Step 4: Simplify right side
    797.58x = 401,455.72
  5. Step 5: Solve for x
    x = 401,455.72/797.58
  6. Step 6: Final answer
    x = 503.34

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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.