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Finding the Fourth Proportional to 671.46, 1,004.46 and 599.48

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Solution

The fourth proportional to 671.46, 1,004.46 and 599.48 is: 896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.46 : 1,004.46 = 599.48 : x
  2. Step 2: Convert to fraction form
    671.46/1,004.46 = 599.48/x
  3. Step 3: Cross multiply
    671.46x = 1,004.46 × 599.48
  4. Step 4: Simplify right side
    671.46x = 602,153.68
  5. Step 5: Solve for x
    x = 602,153.68/671.46
  6. Step 6: Final answer
    x = 896.78

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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.