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Finding the Fourth Proportional to 1,842.46, 2,763.78 and 544.03

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Solution

The fourth proportional to 1,842.46, 2,763.78 and 544.03 is: 816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.46 : 2,763.78 = 544.03 : x
  2. Step 2: Convert to fraction form
    1,842.46/2,763.78 = 544.03/x
  3. Step 3: Cross multiply
    1,842.46x = 2,763.78 × 544.03
  4. Step 4: Simplify right side
    1,842.46x = 1,503,579.23
  5. Step 5: Solve for x
    x = 1,503,579.23/1,842.46
  6. Step 6: Final answer
    x = 816.07

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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.