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Finding the Fourth Proportional to 1,136.48, 1,704.88 and 367.04

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Solution

The fourth proportional to 1,136.48, 1,704.88 and 367.04 is: 550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.48 : 1,704.88 = 367.04 : x
  2. Step 2: Convert to fraction form
    1,136.48/1,704.88 = 367.04/x
  3. Step 3: Cross multiply
    1,136.48x = 1,704.88 × 367.04
  4. Step 4: Simplify right side
    1,136.48x = 625,759.16
  5. Step 5: Solve for x
    x = 625,759.16/1,136.48
  6. Step 6: Final answer
    x = 550.61

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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.