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Finding the Fourth Proportional to 423.88, 584.93 and 237.34

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Solution

The fourth proportional to 423.88, 584.93 and 237.34 is: 327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.88 : 584.93 = 237.34 : x
  2. Step 2: Convert to fraction form
    423.88/584.93 = 237.34/x
  3. Step 3: Cross multiply
    423.88x = 584.93 × 237.34
  4. Step 4: Simplify right side
    423.88x = 138,826.62
  5. Step 5: Solve for x
    x = 138,826.62/423.88
  6. Step 6: Final answer
    x = 327.51

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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.