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Finding the Fourth Proportional to 322,021.60, 483,550.80 and 243,224.80

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Solution

The fourth proportional to 322,021.60, 483,550.80 and 243,224.80 is: 365,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,021.60 : 483,550.80 = 243,224.80 : x
  2. Step 2: Convert to fraction form
    322,021.60/483,550.80 = 243,224.80/x
  3. Step 3: Cross multiply
    322,021.60x = 483,550.80 × 243,224.80
  4. Step 4: Simplify right side
    322,021.60x = 117,611,546,619.84
  5. Step 5: Solve for x
    x = 117,611,546,619.84/322,021.60
  6. Step 6: Final answer
    x = 365,228.75

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1.5x scale

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.