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Finding the Fourth Proportional to 1,197.58, 1,794.30 and 733.90

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Solution

The fourth proportional to 1,197.58, 1,794.30 and 733.90 is: 1,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.58 : 1,794.30 = 733.90 : x
  2. Step 2: Convert to fraction form
    1,197.58/1,794.30 = 733.90/x
  3. Step 3: Cross multiply
    1,197.58x = 1,794.30 × 733.90
  4. Step 4: Simplify right side
    1,197.58x = 1,316,836.77
  5. Step 5: Solve for x
    x = 1,316,836.77/1,197.58
  6. Step 6: Final answer
    x = 1,099.58

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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.