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Finding the Fourth Proportional to 423.93, 584.50 and 335.23

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Solution

The fourth proportional to 423.93, 584.50 and 335.23 is: 462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.93 : 584.50 = 335.23 : x
  2. Step 2: Convert to fraction form
    423.93/584.50 = 335.23/x
  3. Step 3: Cross multiply
    423.93x = 584.50 × 335.23
  4. Step 4: Simplify right side
    423.93x = 195,942.56
  5. Step 5: Solve for x
    x = 195,942.56/423.93
  6. Step 6: Final answer
    x = 462.21

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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.