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Finding the Fourth Proportional to 1,195.08, 1,790.29 and 673.49

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Solution

The fourth proportional to 1,195.08, 1,790.29 and 673.49 is: 1,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.08 : 1,790.29 = 673.49 : x
  2. Step 2: Convert to fraction form
    1,195.08/1,790.29 = 673.49/x
  3. Step 3: Cross multiply
    1,195.08x = 1,790.29 × 673.49
  4. Step 4: Simplify right side
    1,195.08x = 1,205,742.41
  5. Step 5: Solve for x
    x = 1,205,742.41/1,195.08
  6. Step 6: Final answer
    x = 1,008.92

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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.