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Finding the Fourth Proportional to 1,464.82, 2,198.09 and 541.02

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Solution

The fourth proportional to 1,464.82, 2,198.09 and 541.02 is: 811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.82 : 2,198.09 = 541.02 : x
  2. Step 2: Convert to fraction form
    1,464.82/2,198.09 = 541.02/x
  3. Step 3: Cross multiply
    1,464.82x = 2,198.09 × 541.02
  4. Step 4: Simplify right side
    1,464.82x = 1,189,196.96
  5. Step 5: Solve for x
    x = 1,189,196.96/1,464.82
  6. Step 6: Final answer
    x = 811.84

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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.