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Finding the Fourth Proportional to 1,098.11, 1,515.44 and 600.73

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Solution

The fourth proportional to 1,098.11, 1,515.44 and 600.73 is: 829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098.11 : 1,515.44 = 600.73 : x
  2. Step 2: Convert to fraction form
    1,098.11/1,515.44 = 600.73/x
  3. Step 3: Cross multiply
    1,098.11x = 1,515.44 × 600.73
  4. Step 4: Simplify right side
    1,098.11x = 910,370.27
  5. Step 5: Solve for x
    x = 910,370.27/1,098.11
  6. Step 6: Final answer
    x = 829.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.