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Finding the Fourth Proportional to 483,833.35, 667,712.81 and 268,977

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Solution

The fourth proportional to 483,833.35, 667,712.81 and 268,977 is: 371,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,833.35 : 667,712.81 = 268,977 : x
  2. Step 2: Convert to fraction form
    483,833.35/667,712.81 = 268,977/x
  3. Step 3: Cross multiply
    483,833.35x = 667,712.81 × 268,977
  4. Step 4: Simplify right side
    483,833.35x = 179,599,389,167.81
  5. Step 5: Solve for x
    x = 179,599,389,167.81/483,833.35
  6. Step 6: Final answer
    x = 371,200.93

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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.