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Finding the Fourth Proportional to 797.62, 1,196.57 and 242.32

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Solution

The fourth proportional to 797.62, 1,196.57 and 242.32 is: 363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.62 : 1,196.57 = 242.32 : x
  2. Step 2: Convert to fraction form
    797.62/1,196.57 = 242.32/x
  3. Step 3: Cross multiply
    797.62x = 1,196.57 × 242.32
  4. Step 4: Simplify right side
    797.62x = 289,952.84
  5. Step 5: Solve for x
    x = 289,952.84/797.62
  6. Step 6: Final answer
    x = 363.52

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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.