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Finding the Fourth Proportional to 1,760.15, 2,639.61 and 605.63

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Solution

The fourth proportional to 1,760.15, 2,639.61 and 605.63 is: 908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.15 : 2,639.61 = 605.63 : x
  2. Step 2: Convert to fraction form
    1,760.15/2,639.61 = 605.63/x
  3. Step 3: Cross multiply
    1,760.15x = 2,639.61 × 605.63
  4. Step 4: Simplify right side
    1,760.15x = 1,598,613.81
  5. Step 5: Solve for x
    x = 1,598,613.81/1,760.15
  6. Step 6: Final answer
    x = 908.23

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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.