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Finding the Fourth Proportional to 322,429.60, 483,649.04 and 122,760.96

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Solution

The fourth proportional to 322,429.60, 483,649.04 and 122,760.96 is: 184,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,429.60 : 483,649.04 = 122,760.96 : x
  2. Step 2: Convert to fraction form
    322,429.60/483,649.04 = 122,760.96/x
  3. Step 3: Cross multiply
    322,429.60x = 483,649.04 × 122,760.96
  4. Step 4: Simplify right side
    322,429.60x = 59,373,220,453.48
  5. Step 5: Solve for x
    x = 59,373,220,453.48/322,429.60
  6. Step 6: Final answer
    x = 184,143.21

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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.