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Finding the Fourth Proportional to 194,474.65, 291,219.90 and 185,617.30

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Solution

The fourth proportional to 194,474.65, 291,219.90 and 185,617.30 is: 277,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,474.65 : 291,219.90 = 185,617.30 : x
  2. Step 2: Convert to fraction form
    194,474.65/291,219.90 = 185,617.30/x
  3. Step 3: Cross multiply
    194,474.65x = 291,219.90 × 185,617.30
  4. Step 4: Simplify right side
    194,474.65x = 54,055,451,544.27
  5. Step 5: Solve for x
    x = 54,055,451,544.27/194,474.65
  6. Step 6: Final answer
    x = 277,956.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.