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Finding the Fourth Proportional to 701.77, 1,052.89 and 441.46

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Solution

The fourth proportional to 701.77, 1,052.89 and 441.46 is: 662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.77 : 1,052.89 = 441.46 : x
  2. Step 2: Convert to fraction form
    701.77/1,052.89 = 441.46/x
  3. Step 3: Cross multiply
    701.77x = 1,052.89 × 441.46
  4. Step 4: Simplify right side
    701.77x = 464,809.03
  5. Step 5: Solve for x
    x = 464,809.03/701.77
  6. Step 6: Final answer
    x = 662.34

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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.