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Finding the Fourth Proportional to 433.89, 598.79 and 237.40

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Solution

The fourth proportional to 433.89, 598.79 and 237.40 is: 327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.89 : 598.79 = 237.40 : x
  2. Step 2: Convert to fraction form
    433.89/598.79 = 237.40/x
  3. Step 3: Cross multiply
    433.89x = 598.79 × 237.40
  4. Step 4: Simplify right side
    433.89x = 142,151.84
  5. Step 5: Solve for x
    x = 142,151.84/433.89
  6. Step 6: Final answer
    x = 327.62

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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.