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Finding the Fourth Proportional to 2,040.22, 3,060.04 and 579.48

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Solution

The fourth proportional to 2,040.22, 3,060.04 and 579.48 is: 869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.22 : 3,060.04 = 579.48 : x
  2. Step 2: Convert to fraction form
    2,040.22/3,060.04 = 579.48/x
  3. Step 3: Cross multiply
    2,040.22x = 3,060.04 × 579.48
  4. Step 4: Simplify right side
    2,040.22x = 1,773,231.98
  5. Step 5: Solve for x
    x = 1,773,231.98/2,040.22
  6. Step 6: Final answer
    x = 869.14

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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.