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Finding the Fourth Proportional to 1,373.54, 2,060.69 and 448.98

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Solution

The fourth proportional to 1,373.54, 2,060.69 and 448.98 is: 673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.54 : 2,060.69 = 448.98 : x
  2. Step 2: Convert to fraction form
    1,373.54/2,060.69 = 448.98/x
  3. Step 3: Cross multiply
    1,373.54x = 2,060.69 × 448.98
  4. Step 4: Simplify right side
    1,373.54x = 925,198.62
  5. Step 5: Solve for x
    x = 925,198.62/1,373.54
  6. Step 6: Final answer
    x = 673.59

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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.