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Finding the Fourth Proportional to 584.48, 874.92 and 481.52

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Solution

The fourth proportional to 584.48, 874.92 and 481.52 is: 720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.48 : 874.92 = 481.52 : x
  2. Step 2: Convert to fraction form
    584.48/874.92 = 481.52/x
  3. Step 3: Cross multiply
    584.48x = 874.92 × 481.52
  4. Step 4: Simplify right side
    584.48x = 421,291.48
  5. Step 5: Solve for x
    x = 421,291.48/584.48
  6. Step 6: Final answer
    x = 720.80

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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.