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Finding the Fourth Proportional to 583.52, 874.44 and 339.44

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Solution

The fourth proportional to 583.52, 874.44 and 339.44 is: 508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.52 : 874.44 = 339.44 : x
  2. Step 2: Convert to fraction form
    583.52/874.44 = 339.44/x
  3. Step 3: Cross multiply
    583.52x = 874.44 × 339.44
  4. Step 4: Simplify right side
    583.52x = 296,819.91
  5. Step 5: Solve for x
    x = 296,819.91/583.52
  6. Step 6: Final answer
    x = 508.67

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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.