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Finding the Fourth Proportional to 481,745.15, 722,576.73 and 197,354.51

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Solution

The fourth proportional to 481,745.15, 722,576.73 and 197,354.51 is: 296,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,745.15 : 722,576.73 = 197,354.51 : x
  2. Step 2: Convert to fraction form
    481,745.15/722,576.73 = 197,354.51/x
  3. Step 3: Cross multiply
    481,745.15x = 722,576.73 × 197,354.51
  4. Step 4: Simplify right side
    481,745.15x = 142,603,776,486.55
  5. Step 5: Solve for x
    x = 142,603,776,486.55/481,745.15
  6. Step 6: Final answer
    x = 296,014.97

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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.