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Finding the Fourth Proportional to 471,553.15, 650,743.43 and 256,694.82

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Solution

The fourth proportional to 471,553.15, 650,743.43 and 256,694.82 is: 354,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,553.15 : 650,743.43 = 256,694.82 : x
  2. Step 2: Convert to fraction form
    471,553.15/650,743.43 = 256,694.82/x
  3. Step 3: Cross multiply
    471,553.15x = 650,743.43 × 256,694.82
  4. Step 4: Simplify right side
    471,553.15x = 167,042,467,630.03
  5. Step 5: Solve for x
    x = 167,042,467,630.03/471,553.15
  6. Step 6: Final answer
    x = 354,238.90

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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.