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Finding the Fourth Proportional to 1,598.64, 2,396.38 and 674.44

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Solution

The fourth proportional to 1,598.64, 2,396.38 and 674.44 is: 1,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.64 : 2,396.38 = 674.44 : x
  2. Step 2: Convert to fraction form
    1,598.64/2,396.38 = 674.44/x
  3. Step 3: Cross multiply
    1,598.64x = 2,396.38 × 674.44
  4. Step 4: Simplify right side
    1,598.64x = 1,616,214.53
  5. Step 5: Solve for x
    x = 1,616,214.53/1,598.64
  6. Step 6: Final answer
    x = 1,010.99

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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.