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Finding the Fourth Proportional to 604.44, 833.94 and 383.31

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Solution

The fourth proportional to 604.44, 833.94 and 383.31 is: 528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.44 : 833.94 = 383.31 : x
  2. Step 2: Convert to fraction form
    604.44/833.94 = 383.31/x
  3. Step 3: Cross multiply
    604.44x = 833.94 × 383.31
  4. Step 4: Simplify right side
    604.44x = 319,657.54
  5. Step 5: Solve for x
    x = 319,657.54/604.44
  6. Step 6: Final answer
    x = 528.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.