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Finding the Fourth Proportional to 797.59, 1,196.47 and 335.42

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Solution

The fourth proportional to 797.59, 1,196.47 and 335.42 is: 503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.59 : 1,196.47 = 335.42 : x
  2. Step 2: Convert to fraction form
    797.59/1,196.47 = 335.42/x
  3. Step 3: Cross multiply
    797.59x = 1,196.47 × 335.42
  4. Step 4: Simplify right side
    797.59x = 401,315.53
  5. Step 5: Solve for x
    x = 401,315.53/797.59
  6. Step 6: Final answer
    x = 503.16

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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.