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Finding the Fourth Proportional to 358,958.60, 538,249.26 and 159,192.62

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Solution

The fourth proportional to 358,958.60, 538,249.26 and 159,192.62 is: 238,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,958.60 : 538,249.26 = 159,192.62 : x
  2. Step 2: Convert to fraction form
    358,958.60/538,249.26 = 159,192.62/x
  3. Step 3: Cross multiply
    358,958.60x = 538,249.26 × 159,192.62
  4. Step 4: Simplify right side
    358,958.60x = 85,685,309,912.46
  5. Step 5: Solve for x
    x = 85,685,309,912.46/358,958.60
  6. Step 6: Final answer
    x = 238,705.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.