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Finding the Fourth Proportional to 394,672.94, 544,897.70 and 273,771.93

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Solution

The fourth proportional to 394,672.94, 544,897.70 and 273,771.93 is: 377,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,672.94 : 544,897.70 = 273,771.93 : x
  2. Step 2: Convert to fraction form
    394,672.94/544,897.70 = 273,771.93/x
  3. Step 3: Cross multiply
    394,672.94x = 544,897.70 × 273,771.93
  4. Step 4: Simplify right side
    394,672.94x = 149,177,696,682.71
  5. Step 5: Solve for x
    x = 149,177,696,682.71/394,672.94
  6. Step 6: Final answer
    x = 377,978.02

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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.