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Finding the Fourth Proportional to 797.42, 1,196.25 and 334.91

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Solution

The fourth proportional to 797.42, 1,196.25 and 334.91 is: 502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.42 : 1,196.25 = 334.91 : x
  2. Step 2: Convert to fraction form
    797.42/1,196.25 = 334.91/x
  3. Step 3: Cross multiply
    797.42x = 1,196.25 × 334.91
  4. Step 4: Simplify right side
    797.42x = 400,637.82
  5. Step 5: Solve for x
    x = 400,637.82/797.42
  6. Step 6: Final answer
    x = 502.42

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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.