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Finding the Fourth Proportional to 483,833.85, 667,713.51 and 268,977.50

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Solution

The fourth proportional to 483,833.85, 667,713.51 and 268,977.50 is: 371,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,833.85 : 667,713.51 = 268,977.50 : x
  2. Step 2: Convert to fraction form
    483,833.85/667,713.51 = 268,977.50/x
  3. Step 3: Cross multiply
    483,833.85x = 667,713.51 × 268,977.50
  4. Step 4: Simplify right side
    483,833.85x = 179,599,909,291.14
  5. Step 5: Solve for x
    x = 179,599,909,291.14/483,833.85
  6. Step 6: Final answer
    x = 371,201.62

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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.