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Finding the Fourth Proportional to 674.63, 1,012.01 and 241.95

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Solution

The fourth proportional to 674.63, 1,012.01 and 241.95 is: 362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.63 : 1,012.01 = 241.95 : x
  2. Step 2: Convert to fraction form
    674.63/1,012.01 = 241.95/x
  3. Step 3: Cross multiply
    674.63x = 1,012.01 × 241.95
  4. Step 4: Simplify right side
    674.63x = 244,854.61
  5. Step 5: Solve for x
    x = 244,854.61/674.63
  6. Step 6: Final answer
    x = 362.95

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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.