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Finding the Fourth Proportional to 343,899.72, 474,625.44 and 192,996.72

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Solution

The fourth proportional to 343,899.72, 474,625.44 and 192,996.72 is: 266,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,899.72 : 474,625.44 = 192,996.72 : x
  2. Step 2: Convert to fraction form
    343,899.72/474,625.44 = 192,996.72/x
  3. Step 3: Cross multiply
    343,899.72x = 474,625.44 × 192,996.72
  4. Step 4: Simplify right side
    343,899.72x = 91,601,153,148.56
  5. Step 5: Solve for x
    x = 91,601,153,148.56/343,899.72
  6. Step 6: Final answer
    x = 266,360.07

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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.