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Finding the Fourth Proportional to 322,026.56, 483,121.86 and 144,600.68

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Solution

The fourth proportional to 322,026.56, 483,121.86 and 144,600.68 is: 216,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,026.56 : 483,121.86 = 144,600.68 : x
  2. Step 2: Convert to fraction form
    322,026.56/483,121.86 = 144,600.68/x
  3. Step 3: Cross multiply
    322,026.56x = 483,121.86 × 144,600.68
  4. Step 4: Simplify right side
    322,026.56x = 69,859,749,478.86
  5. Step 5: Solve for x
    x = 69,859,749,478.86/322,026.56
  6. Step 6: Final answer
    x = 216,937.85

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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.