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Finding the Fourth Proportional to 343,900.72, 474,626.82 and 192,997.72

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Solution

The fourth proportional to 343,900.72, 474,626.82 and 192,997.72 is: 266,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,900.72 : 474,626.82 = 192,997.72 : x
  2. Step 2: Convert to fraction form
    343,900.72/474,626.82 = 192,997.72/x
  3. Step 3: Cross multiply
    343,900.72x = 474,626.82 × 192,997.72
  4. Step 4: Simplify right side
    343,900.72x = 91,601,894,110.85
  5. Step 5: Solve for x
    x = 91,601,894,110.85/343,900.72
  6. Step 6: Final answer
    x = 266,361.45

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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.