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Finding the Fourth Proportional to 1,136.47, 1,704.77 and 367.03

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Solution

The fourth proportional to 1,136.47, 1,704.77 and 367.03 is: 550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.47 : 1,704.77 = 367.03 : x
  2. Step 2: Convert to fraction form
    1,136.47/1,704.77 = 367.03/x
  3. Step 3: Cross multiply
    1,136.47x = 1,704.77 × 367.03
  4. Step 4: Simplify right side
    1,136.47x = 625,701.73
  5. Step 5: Solve for x
    x = 625,701.73/1,136.47
  6. Step 6: Final answer
    x = 550.57

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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.