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Finding the Fourth Proportional to 471,553.37, 650,743.72 and 256,695.05

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Solution

The fourth proportional to 471,553.37, 650,743.72 and 256,695.05 is: 354,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,553.37 : 650,743.72 = 256,695.05 : x
  2. Step 2: Convert to fraction form
    471,553.37/650,743.72 = 256,695.05/x
  3. Step 3: Cross multiply
    471,553.37x = 650,743.72 × 256,695.05
  4. Step 4: Simplify right side
    471,553.37x = 167,042,691,742.59
  5. Step 5: Solve for x
    x = 167,042,691,742.59/471,553.37
  6. Step 6: Final answer
    x = 354,239.21

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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.