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Finding the Fourth Proportional to 1,136.32, 1,704.50 and 366.82

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Solution

The fourth proportional to 1,136.32, 1,704.50 and 366.82 is: 550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.32 : 1,704.50 = 366.82 : x
  2. Step 2: Convert to fraction form
    1,136.32/1,704.50 = 366.82/x
  3. Step 3: Cross multiply
    1,136.32x = 1,704.50 × 366.82
  4. Step 4: Simplify right side
    1,136.32x = 625,244.69
  5. Step 5: Solve for x
    x = 625,244.69/1,136.32
  6. Step 6: Final answer
    x = 550.24

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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.