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Finding the Fourth Proportional to 394,356.51, 544,065.80 and 273,604.95

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Solution

The fourth proportional to 394,356.51, 544,065.80 and 273,604.95 is: 377,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,356.51 : 544,065.80 = 273,604.95 : x
  2. Step 2: Convert to fraction form
    394,356.51/544,065.80 = 273,604.95/x
  3. Step 3: Cross multiply
    394,356.51x = 544,065.80 × 273,604.95
  4. Step 4: Simplify right side
    394,356.51x = 148,859,094,637.69
  5. Step 5: Solve for x
    x = 148,859,094,637.69/394,356.51
  6. Step 6: Final answer
    x = 377,473.41

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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.