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Finding the Fourth Proportional to 1,197.42, 1,796.13 and 375.75

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Solution

The fourth proportional to 1,197.42, 1,796.13 and 375.75 is: 563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.42 : 1,796.13 = 375.75 : x
  2. Step 2: Convert to fraction form
    1,197.42/1,796.13 = 375.75/x
  3. Step 3: Cross multiply
    1,197.42x = 1,796.13 × 375.75
  4. Step 4: Simplify right side
    1,197.42x = 674,895.85
  5. Step 5: Solve for x
    x = 674,895.85/1,197.42
  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.