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Finding the Fourth Proportional to 394,364.44, 544,222.94 and 224,614.36

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Solution

The fourth proportional to 394,364.44, 544,222.94 and 224,614.36 is: 309,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,364.44 : 544,222.94 = 224,614.36 : x
  2. Step 2: Convert to fraction form
    394,364.44/544,222.94 = 224,614.36/x
  3. Step 3: Cross multiply
    394,364.44x = 544,222.94 × 224,614.36
  4. Step 4: Simplify right side
    394,364.44x = 122,240,287,365.42
  5. Step 5: Solve for x
    x = 122,240,287,365.42/394,364.44
  6. Step 6: Final answer
    x = 309,967.82

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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.