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Finding the Fourth Proportional to 322,745.04, 483,082.38 and 172,609.92

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Solution

The fourth proportional to 322,745.04, 483,082.38 and 172,609.92 is: 258,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,745.04 : 483,082.38 = 172,609.92 : x
  2. Step 2: Convert to fraction form
    322,745.04/483,082.38 = 172,609.92/x
  3. Step 3: Cross multiply
    322,745.04x = 483,082.38 × 172,609.92
  4. Step 4: Simplify right side
    322,745.04x = 83,384,810,965.21
  5. Step 5: Solve for x
    x = 83,384,810,965.21/322,745.04
  6. Step 6: Final answer
    x = 258,361.25

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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.