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Finding the Fourth Proportional to 683.05, 1,024.58 and 196.10

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Solution

The fourth proportional to 683.05, 1,024.58 and 196.10 is: 294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.05 : 1,024.58 = 196.10 : x
  2. Step 2: Convert to fraction form
    683.05/1,024.58 = 196.10/x
  3. Step 3: Cross multiply
    683.05x = 1,024.58 × 196.10
  4. Step 4: Simplify right side
    683.05x = 200,923.19
  5. Step 5: Solve for x
    x = 200,923.19/683.05
  6. Step 6: Final answer
    x = 294.16

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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.