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Finding the Fourth Proportional to 532.12, 799.02 and 441.40

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Solution

The fourth proportional to 532.12, 799.02 and 441.40 is: 662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.12 : 799.02 = 441.40 : x
  2. Step 2: Convert to fraction form
    532.12/799.02 = 441.40/x
  3. Step 3: Cross multiply
    532.12x = 799.02 × 441.40
  4. Step 4: Simplify right side
    532.12x = 352,687.43
  5. Step 5: Solve for x
    x = 352,687.43/532.12
  6. Step 6: Final answer
    x = 662.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.