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Finding the Fourth Proportional to 394,059.44, 543,802.64 and 224,293.56

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Solution

The fourth proportional to 394,059.44, 543,802.64 and 224,293.56 is: 309,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,059.44 : 543,802.64 = 224,293.56 : x
  2. Step 2: Convert to fraction form
    394,059.44/543,802.64 = 224,293.56/x
  3. Step 3: Cross multiply
    394,059.44x = 543,802.64 × 224,293.56
  4. Step 4: Simplify right side
    394,059.44x = 121,971,430,063.00
  5. Step 5: Solve for x
    x = 121,971,430,063.00/394,059.44
  6. Step 6: Final answer
    x = 309,525.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.