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Finding the Fourth Proportional to 394,797.65, 544,824.02 and 225,042.71

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Solution

The fourth proportional to 394,797.65, 544,824.02 and 225,042.71 is: 310,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,797.65 : 544,824.02 = 225,042.71 : x
  2. Step 2: Convert to fraction form
    394,797.65/544,824.02 = 225,042.71/x
  3. Step 3: Cross multiply
    394,797.65x = 544,824.02 × 225,042.71
  4. Step 4: Simplify right side
    394,797.65x = 122,608,671,772.38
  5. Step 5: Solve for x
    x = 122,608,671,772.38/394,797.65
  6. Step 6: Final answer
    x = 310,560.80

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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.