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Finding the Fourth Proportional to 230,418.56, 345,630.24 and 64,206.56

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Solution

The fourth proportional to 230,418.56, 345,630.24 and 64,206.56 is: 96,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,418.56 : 345,630.24 = 64,206.56 : x
  2. Step 2: Convert to fraction form
    230,418.56/345,630.24 = 64,206.56/x
  3. Step 3: Cross multiply
    230,418.56x = 345,630.24 × 64,206.56
  4. Step 4: Simplify right side
    230,418.56x = 22,191,728,742.37
  5. Step 5: Solve for x
    x = 22,191,728,742.37/230,418.56
  6. Step 6: Final answer
    x = 96,310.51

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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.