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Finding the Fourth Proportional to 1,173.25, 1,760.11 and 523.98

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Solution

The fourth proportional to 1,173.25, 1,760.11 and 523.98 is: 786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.25 : 1,760.11 = 523.98 : x
  2. Step 2: Convert to fraction form
    1,173.25/1,760.11 = 523.98/x
  3. Step 3: Cross multiply
    1,173.25x = 1,760.11 × 523.98
  4. Step 4: Simplify right side
    1,173.25x = 922,262.44
  5. Step 5: Solve for x
    x = 922,262.44/1,173.25
  6. Step 6: Final answer
    x = 786.07

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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.