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Finding the Fourth Proportional to 322,336.70, 483,504.96 and 100,720.70

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Solution

The fourth proportional to 322,336.70, 483,504.96 and 100,720.70 is: 151,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,336.70 : 483,504.96 = 100,720.70 : x
  2. Step 2: Convert to fraction form
    322,336.70/483,504.96 = 100,720.70/x
  3. Step 3: Cross multiply
    322,336.70x = 483,504.96 × 100,720.70
  4. Step 4: Simplify right side
    322,336.70x = 48,698,958,024.67
  5. Step 5: Solve for x
    x = 48,698,958,024.67/322,336.70
  6. Step 6: Final answer
    x = 151,081.02

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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.