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Finding the Fourth Proportional to 394,239.25, 544,147.37 and 224,573.41

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Solution

The fourth proportional to 394,239.25, 544,147.37 and 224,573.41 is: 309,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,239.25 : 544,147.37 = 224,573.41 : x
  2. Step 2: Convert to fraction form
    394,239.25/544,147.37 = 224,573.41/x
  3. Step 3: Cross multiply
    394,239.25x = 544,147.37 × 224,573.41
  4. Step 4: Simplify right side
    394,239.25x = 122,201,030,423.43
  5. Step 5: Solve for x
    x = 122,201,030,423.43/394,239.25
  6. Step 6: Final answer
    x = 309,966.68

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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.