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Finding the Fourth Proportional to 583.38, 874.93 and 274.94

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Solution

The fourth proportional to 583.38, 874.93 and 274.94 is: 412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.38 : 874.93 = 274.94 : x
  2. Step 2: Convert to fraction form
    583.38/874.93 = 274.94/x
  3. Step 3: Cross multiply
    583.38x = 874.93 × 274.94
  4. Step 4: Simplify right side
    583.38x = 240,553.25
  5. Step 5: Solve for x
    x = 240,553.25/583.38
  6. Step 6: Final answer
    x = 412.34

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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.