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Finding the Fourth Proportional to 279,350.44, 385,954.62 and 194,844.76

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Solution

The fourth proportional to 279,350.44, 385,954.62 and 194,844.76 is: 269,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,350.44 : 385,954.62 = 194,844.76 : x
  2. Step 2: Convert to fraction form
    279,350.44/385,954.62 = 194,844.76/x
  3. Step 3: Cross multiply
    279,350.44x = 385,954.62 × 194,844.76
  4. Step 4: Simplify right side
    279,350.44x = 75,201,235,304.79
  5. Step 5: Solve for x
    x = 75,201,235,304.79/279,350.44
  6. Step 6: Final answer
    x = 269,200.35

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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.