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Finding the Fourth Proportional to 1,418.91, 2,126.20 and 596.74

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Solution

The fourth proportional to 1,418.91, 2,126.20 and 596.74 is: 894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.91 : 2,126.20 = 596.74 : x
  2. Step 2: Convert to fraction form
    1,418.91/2,126.20 = 596.74/x
  3. Step 3: Cross multiply
    1,418.91x = 2,126.20 × 596.74
  4. Step 4: Simplify right side
    1,418.91x = 1,268,777.96
  5. Step 5: Solve for x
    x = 1,268,777.96/1,418.91
  6. Step 6: Final answer
    x = 894.19

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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.