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Finding the Fourth Proportional to 797.84, 1,196.75 and 250.07

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Solution

The fourth proportional to 797.84, 1,196.75 and 250.07 is: 375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.84 : 1,196.75 = 250.07 : x
  2. Step 2: Convert to fraction form
    797.84/1,196.75 = 250.07/x
  3. Step 3: Cross multiply
    797.84x = 1,196.75 × 250.07
  4. Step 4: Simplify right side
    797.84x = 299,265.91
  5. Step 5: Solve for x
    x = 299,265.91/797.84
  6. Step 6: Final answer
    x = 375.10

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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.