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Finding the Fourth Proportional to 322,739.64, 483,603.48 and 204,160.50

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Solution

The fourth proportional to 322,739.64, 483,603.48 and 204,160.50 is: 305,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,739.64 : 483,603.48 = 204,160.50 : x
  2. Step 2: Convert to fraction form
    322,739.64/483,603.48 = 204,160.50/x
  3. Step 3: Cross multiply
    322,739.64x = 483,603.48 × 204,160.50
  4. Step 4: Simplify right side
    322,739.64x = 98,732,728,278.54
  5. Step 5: Solve for x
    x = 98,732,728,278.54/322,739.64
  6. Step 6: Final answer
    x = 305,920.67

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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.