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Finding the Fourth Proportional to 1,197.43, 1,796.23 and 375.74

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Solution

The fourth proportional to 1,197.43, 1,796.23 and 375.74 is: 563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.43 : 1,796.23 = 375.74 : x
  2. Step 2: Convert to fraction form
    1,197.43/1,796.23 = 375.74/x
  3. Step 3: Cross multiply
    1,197.43x = 1,796.23 × 375.74
  4. Step 4: Simplify right side
    1,197.43x = 674,911.57
  5. Step 5: Solve for x
    x = 674,911.57/1,197.43
  6. Step 6: Final answer
    x = 563.63

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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.