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Finding the Fourth Proportional to 271,109.65, 373,798.74 and 219,977.59

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Solution

The fourth proportional to 271,109.65, 373,798.74 and 219,977.59 is: 303,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,109.65 : 373,798.74 = 219,977.59 : x
  2. Step 2: Convert to fraction form
    271,109.65/373,798.74 = 219,977.59/x
  3. Step 3: Cross multiply
    271,109.65x = 373,798.74 × 219,977.59
  4. Step 4: Simplify right side
    271,109.65x = 82,227,345,860.66
  5. Step 5: Solve for x
    x = 82,227,345,860.66/271,109.65
  6. Step 6: Final answer
    x = 303,299.22

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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.