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Finding the Fourth Proportional to 483,844.16, 667,673.81 and 268,978.70

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Solution

The fourth proportional to 483,844.16, 667,673.81 and 268,978.70 is: 371,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,844.16 : 667,673.81 = 268,978.70 : x
  2. Step 2: Convert to fraction form
    483,844.16/667,673.81 = 268,978.70/x
  3. Step 3: Cross multiply
    483,844.16x = 667,673.81 × 268,978.70
  4. Step 4: Simplify right side
    483,844.16x = 179,590,033,437.85
  5. Step 5: Solve for x
    x = 179,590,033,437.85/483,844.16
  6. Step 6: Final answer
    x = 371,173.30

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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.