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Finding the Fourth Proportional to 483,678.98, 667,472.19 and 268,814.43

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Solution

The fourth proportional to 483,678.98, 667,472.19 and 268,814.43 is: 370,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,678.98 : 667,472.19 = 268,814.43 : x
  2. Step 2: Convert to fraction form
    483,678.98/667,472.19 = 268,814.43/x
  3. Step 3: Cross multiply
    483,678.98x = 667,472.19 × 268,814.43
  4. Step 4: Simplify right side
    483,678.98x = 179,426,156,295.70
  5. Step 5: Solve for x
    x = 179,426,156,295.70/483,678.98
  6. Step 6: Final answer
    x = 370,961.24

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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.