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Finding the Fourth Proportional to 674.01, 930.29 and 441

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Solution

The fourth proportional to 674.01, 930.29 and 441 is: 608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.01 : 930.29 = 441 : x
  2. Step 2: Convert to fraction form
    674.01/930.29 = 441/x
  3. Step 3: Cross multiply
    674.01x = 930.29 × 441
  4. Step 4: Simplify right side
    674.01x = 410,255.69
  5. Step 5: Solve for x
    x = 410,255.69/674.01
  6. Step 6: Final answer
    x = 608.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.