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Finding the Fourth Proportional to 339,349.50, 468,343.62 and 196,110.72

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Solution

The fourth proportional to 339,349.50, 468,343.62 and 196,110.72 is: 270,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,349.50 : 468,343.62 = 196,110.72 : x
  2. Step 2: Convert to fraction form
    339,349.50/468,343.62 = 196,110.72/x
  3. Step 3: Cross multiply
    339,349.50x = 468,343.62 × 196,110.72
  4. Step 4: Simplify right side
    339,349.50x = 91,847,204,525.61
  5. Step 5: Solve for x
    x = 91,847,204,525.61/339,349.50
  6. Step 6: Final answer
    x = 270,656.67

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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.