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Finding the Fourth Proportional to 1,044.82, 1,441.90 and 579.08

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Solution

The fourth proportional to 1,044.82, 1,441.90 and 579.08 is: 799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.82 : 1,441.90 = 579.08 : x
  2. Step 2: Convert to fraction form
    1,044.82/1,441.90 = 579.08/x
  3. Step 3: Cross multiply
    1,044.82x = 1,441.90 × 579.08
  4. Step 4: Simplify right side
    1,044.82x = 834,975.45
  5. Step 5: Solve for x
    x = 834,975.45/1,044.82
  6. Step 6: Final answer
    x = 799.16

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