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Finding the Fourth Proportional to 584.37, 806.40 and 335.67

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Solution

The fourth proportional to 584.37, 806.40 and 335.67 is: 463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.37 : 806.40 = 335.67 : x
  2. Step 2: Convert to fraction form
    584.37/806.40 = 335.67/x
  3. Step 3: Cross multiply
    584.37x = 806.40 × 335.67
  4. Step 4: Simplify right side
    584.37x = 270,684.29
  5. Step 5: Solve for x
    x = 270,684.29/584.37
  6. Step 6: Final answer
    x = 463.21

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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.