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Finding the Fourth Proportional to 1,168.85, 1,753.34 and 303.23

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Solution

The fourth proportional to 1,168.85, 1,753.34 and 303.23 is: 454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.85 : 1,753.34 = 303.23 : x
  2. Step 2: Convert to fraction form
    1,168.85/1,753.34 = 303.23/x
  3. Step 3: Cross multiply
    1,168.85x = 1,753.34 × 303.23
  4. Step 4: Simplify right side
    1,168.85x = 531,665.29
  5. Step 5: Solve for x
    x = 531,665.29/1,168.85
  6. Step 6: Final answer
    x = 454.86

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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.