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Finding the Fourth Proportional to 584.26, 874.80 and 453.57

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Solution

The fourth proportional to 584.26, 874.80 and 453.57 is: 679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.26 : 874.80 = 453.57 : x
  2. Step 2: Convert to fraction form
    584.26/874.80 = 453.57/x
  3. Step 3: Cross multiply
    584.26x = 874.80 × 453.57
  4. Step 4: Simplify right side
    584.26x = 396,787.14
  5. Step 5: Solve for x
    x = 396,787.14/584.26
  6. Step 6: Final answer
    x = 679.12

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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.