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Finding the Fourth Proportional to 343,791.66, 474,440.67 and 192,899.82

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Solution

The fourth proportional to 343,791.66, 474,440.67 and 192,899.82 is: 266,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,791.66 : 474,440.67 = 192,899.82 : x
  2. Step 2: Convert to fraction form
    343,791.66/474,440.67 = 192,899.82/x
  3. Step 3: Cross multiply
    343,791.66x = 474,440.67 × 192,899.82
  4. Step 4: Simplify right side
    343,791.66x = 91,519,519,843.68
  5. Step 5: Solve for x
    x = 91,519,519,843.68/343,791.66
  6. Step 6: Final answer
    x = 266,206.34

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1.5x scale

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.