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Finding the Fourth Proportional to 273,213.99, 411,923.25 and 268,315.11

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Solution

The fourth proportional to 273,213.99, 411,923.25 and 268,315.11 is: 404,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,213.99 : 411,923.25 = 268,315.11 : x
  2. Step 2: Convert to fraction form
    273,213.99/411,923.25 = 268,315.11/x
  3. Step 3: Cross multiply
    273,213.99x = 411,923.25 × 268,315.11
  4. Step 4: Simplify right side
    273,213.99x = 110,525,232,135.31
  5. Step 5: Solve for x
    x = 110,525,232,135.31/273,213.99
  6. Step 6: Final answer
    x = 404,537.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.