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Finding the Fourth Proportional to 583.06, 874.22 and 275

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Solution

The fourth proportional to 583.06, 874.22 and 275 is: 412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.06 : 874.22 = 275 : x
  2. Step 2: Convert to fraction form
    583.06/874.22 = 275/x
  3. Step 3: Cross multiply
    583.06x = 874.22 × 275
  4. Step 4: Simplify right side
    583.06x = 240,410.50
  5. Step 5: Solve for x
    x = 240,410.50/583.06
  6. Step 6: Final answer
    x = 412.33

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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.