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Finding the Fourth Proportional to 674.59, 1,012.04 and 241.75

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Solution

The fourth proportional to 674.59, 1,012.04 and 241.75 is: 362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.59 : 1,012.04 = 241.75 : x
  2. Step 2: Convert to fraction form
    674.59/1,012.04 = 241.75/x
  3. Step 3: Cross multiply
    674.59x = 1,012.04 × 241.75
  4. Step 4: Simplify right side
    674.59x = 244,660.67
  5. Step 5: Solve for x
    x = 244,660.67/674.59
  6. Step 6: Final answer
    x = 362.68

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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.