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Finding the Fourth Proportional to 582.88, 874.14 and 171.94

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Solution

The fourth proportional to 582.88, 874.14 and 171.94 is: 257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.88 : 874.14 = 171.94 : x
  2. Step 2: Convert to fraction form
    582.88/874.14 = 171.94/x
  3. Step 3: Cross multiply
    582.88x = 874.14 × 171.94
  4. Step 4: Simplify right side
    582.88x = 150,299.63
  5. Step 5: Solve for x
    x = 150,299.63/582.88
  6. Step 6: Final answer
    x = 257.86

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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.