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Finding the Fourth Proportional to 1,634.63, 2,452.16 and 539.11

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Solution

The fourth proportional to 1,634.63, 2,452.16 and 539.11 is: 808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.63 : 2,452.16 = 539.11 : x
  2. Step 2: Convert to fraction form
    1,634.63/2,452.16 = 539.11/x
  3. Step 3: Cross multiply
    1,634.63x = 2,452.16 × 539.11
  4. Step 4: Simplify right side
    1,634.63x = 1,321,983.98
  5. Step 5: Solve for x
    x = 1,321,983.98/1,634.63
  6. Step 6: Final answer
    x = 808.74

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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.