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Finding the Fourth Proportional to 494,244.94, 682,050.62 and 279,377.46

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Solution

The fourth proportional to 494,244.94, 682,050.62 and 279,377.46 is: 385,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,244.94 : 682,050.62 = 279,377.46 : x
  2. Step 2: Convert to fraction form
    494,244.94/682,050.62 = 279,377.46/x
  3. Step 3: Cross multiply
    494,244.94x = 682,050.62 × 279,377.46
  4. Step 4: Simplify right side
    494,244.94x = 190,549,569,807.03
  5. Step 5: Solve for x
    x = 190,549,569,807.03/494,244.94
  6. Step 6: Final answer
    x = 385,536.71

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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.