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Finding the Fourth Proportional to 582.82, 874.23 and 475.36

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Solution

The fourth proportional to 582.82, 874.23 and 475.36 is: 713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.82 : 874.23 = 475.36 : x
  2. Step 2: Convert to fraction form
    582.82/874.23 = 475.36/x
  3. Step 3: Cross multiply
    582.82x = 874.23 × 475.36
  4. Step 4: Simplify right side
    582.82x = 415,573.97
  5. Step 5: Solve for x
    x = 415,573.97/582.82
  6. Step 6: Final answer
    x = 713.04

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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.