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Finding the Fourth Proportional to 798.14, 1,197.42 and 250.34

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Solution

The fourth proportional to 798.14, 1,197.42 and 250.34 is: 375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.14 : 1,197.42 = 250.34 : x
  2. Step 2: Convert to fraction form
    798.14/1,197.42 = 250.34/x
  3. Step 3: Cross multiply
    798.14x = 1,197.42 × 250.34
  4. Step 4: Simplify right side
    798.14x = 299,756.14
  5. Step 5: Solve for x
    x = 299,756.14/798.14
  6. Step 6: Final answer
    x = 375.57

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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.