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Finding the Fourth Proportional to 1,544.44, 2,316.67 and 518.44

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Solution

The fourth proportional to 1,544.44, 2,316.67 and 518.44 is: 777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.44 : 2,316.67 = 518.44 : x
  2. Step 2: Convert to fraction form
    1,544.44/2,316.67 = 518.44/x
  3. Step 3: Cross multiply
    1,544.44x = 2,316.67 × 518.44
  4. Step 4: Simplify right side
    1,544.44x = 1,201,047.31
  5. Step 5: Solve for x
    x = 1,201,047.31/1,544.44
  6. Step 6: Final answer
    x = 777.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.