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Finding the Fourth Proportional to 1,467.50, 2,201.26 and 441.50

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Solution

The fourth proportional to 1,467.50, 2,201.26 and 441.50 is: 662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.50 : 2,201.26 = 441.50 : x
  2. Step 2: Convert to fraction form
    1,467.50/2,201.26 = 441.50/x
  3. Step 3: Cross multiply
    1,467.50x = 2,201.26 × 441.50
  4. Step 4: Simplify right side
    1,467.50x = 971,856.29
  5. Step 5: Solve for x
    x = 971,856.29/1,467.50
  6. Step 6: Final answer
    x = 662.25

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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.