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Finding the Fourth Proportional to 1,168.92, 1,753.38 and 303.23

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Solution

The fourth proportional to 1,168.92, 1,753.38 and 303.23 is: 454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.92 : 1,753.38 = 303.23 : x
  2. Step 2: Convert to fraction form
    1,168.92/1,753.38 = 303.23/x
  3. Step 3: Cross multiply
    1,168.92x = 1,753.38 × 303.23
  4. Step 4: Simplify right side
    1,168.92x = 531,681.80
  5. Step 5: Solve for x
    x = 531,681.80/1,168.92
  6. Step 6: Final answer
    x = 454.85

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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.