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Finding the Fourth Proportional to 1,136.36, 1,704.60 and 366.88

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Solution

The fourth proportional to 1,136.36, 1,704.60 and 366.88 is: 550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.36 : 1,704.60 = 366.88 : x
  2. Step 2: Convert to fraction form
    1,136.36/1,704.60 = 366.88/x
  3. Step 3: Cross multiply
    1,136.36x = 1,704.60 × 366.88
  4. Step 4: Simplify right side
    1,136.36x = 625,383.65
  5. Step 5: Solve for x
    x = 625,383.65/1,136.36
  6. Step 6: Final answer
    x = 550.34

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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.