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Finding the Fourth Proportional to 1,467.64, 2,201.46 and 372.09

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Solution

The fourth proportional to 1,467.64, 2,201.46 and 372.09 is: 558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.64 : 2,201.46 = 372.09 : x
  2. Step 2: Convert to fraction form
    1,467.64/2,201.46 = 372.09/x
  3. Step 3: Cross multiply
    1,467.64x = 2,201.46 × 372.09
  4. Step 4: Simplify right side
    1,467.64x = 819,128.38
  5. Step 5: Solve for x
    x = 819,128.38/1,467.64
  6. Step 6: Final answer
    x = 558.13

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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.