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Finding the Fourth Proportional to 433.91, 598.79 and 237.42

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Solution

The fourth proportional to 433.91, 598.79 and 237.42 is: 327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.91 : 598.79 = 237.42 : x
  2. Step 2: Convert to fraction form
    433.91/598.79 = 237.42/x
  3. Step 3: Cross multiply
    433.91x = 598.79 × 237.42
  4. Step 4: Simplify right side
    433.91x = 142,163.53
  5. Step 5: Solve for x
    x = 142,163.53/433.91
  6. Step 6: Final answer
    x = 327.64

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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.