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Finding the Fourth Proportional to 394,066.37, 543,601.46 and 241,178.67

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Solution

The fourth proportional to 394,066.37, 543,601.46 and 241,178.67 is: 332,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,066.37 : 543,601.46 = 241,178.67 : x
  2. Step 2: Convert to fraction form
    394,066.37/543,601.46 = 241,178.67/x
  3. Step 3: Cross multiply
    394,066.37x = 543,601.46 × 241,178.67
  4. Step 4: Simplify right side
    394,066.37x = 131,105,077,735.81
  5. Step 5: Solve for x
    x = 131,105,077,735.81/394,066.37
  6. Step 6: Final answer
    x = 332,697.96

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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.