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Finding the Fourth Proportional to 275,210.72, 412,932.96 and 150,405.92

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Solution

The fourth proportional to 275,210.72, 412,932.96 and 150,405.92 is: 225,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,210.72 : 412,932.96 = 150,405.92 : x
  2. Step 2: Convert to fraction form
    275,210.72/412,932.96 = 150,405.92/x
  3. Step 3: Cross multiply
    275,210.72x = 412,932.96 × 150,405.92
  4. Step 4: Simplify right side
    275,210.72x = 62,107,561,747.12
  5. Step 5: Solve for x
    x = 62,107,561,747.12/275,210.72
  6. Step 6: Final answer
    x = 225,672.76

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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.