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Finding the Fourth Proportional to 454,780.89, 627,843.69 and 273,533.27

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Solution

The fourth proportional to 454,780.89, 627,843.69 and 273,533.27 is: 377,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,780.89 : 627,843.69 = 273,533.27 : x
  2. Step 2: Convert to fraction form
    454,780.89/627,843.69 = 273,533.27/x
  3. Step 3: Cross multiply
    454,780.89x = 627,843.69 × 273,533.27
  4. Step 4: Simplify right side
    454,780.89x = 171,736,134,435.35
  5. Step 5: Solve for x
    x = 171,736,134,435.35/454,780.89
  6. Step 6: Final answer
    x = 377,623.90

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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.