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Finding the Fourth Proportional to 583.01, 874.26 and 172.01

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Solution

The fourth proportional to 583.01, 874.26 and 172.01 is: 257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.01 : 874.26 = 172.01 : x
  2. Step 2: Convert to fraction form
    583.01/874.26 = 172.01/x
  3. Step 3: Cross multiply
    583.01x = 874.26 × 172.01
  4. Step 4: Simplify right side
    583.01x = 150,377.75
  5. Step 5: Solve for x
    x = 150,377.75/583.01
  6. Step 6: Final answer
    x = 257.93

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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.