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Finding the Fourth Proportional to 1,467.12, 2,201.04 and 441.12

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Solution

The fourth proportional to 1,467.12, 2,201.04 and 441.12 is: 661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.12 : 2,201.04 = 441.12 : x
  2. Step 2: Convert to fraction form
    1,467.12/2,201.04 = 441.12/x
  3. Step 3: Cross multiply
    1,467.12x = 2,201.04 × 441.12
  4. Step 4: Simplify right side
    1,467.12x = 970,922.76
  5. Step 5: Solve for x
    x = 970,922.76/1,467.12
  6. Step 6: Final answer
    x = 661.79

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1.5x scale

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.