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Finding the Fourth Proportional to 483,583.86, 667,315.12 and 268,711.11

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Solution

The fourth proportional to 483,583.86, 667,315.12 and 268,711.11 is: 370,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,583.86 : 667,315.12 = 268,711.11 : x
  2. Step 2: Convert to fraction form
    483,583.86/667,315.12 = 268,711.11/x
  3. Step 3: Cross multiply
    483,583.86x = 667,315.12 × 268,711.11
  4. Step 4: Simplify right side
    483,583.86x = 179,314,986,614.98
  5. Step 5: Solve for x
    x = 179,314,986,614.98/483,583.86
  6. Step 6: Final answer
    x = 370,804.32

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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.