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Finding the Fourth Proportional to 275,817.88, 380,498.46 and 235,959.82

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Solution

The fourth proportional to 275,817.88, 380,498.46 and 235,959.82 is: 325,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,817.88 : 380,498.46 = 235,959.82 : x
  2. Step 2: Convert to fraction form
    275,817.88/380,498.46 = 235,959.82/x
  3. Step 3: Cross multiply
    275,817.88x = 380,498.46 × 235,959.82
  4. Step 4: Simplify right side
    275,817.88x = 89,782,348,131.88
  5. Step 5: Solve for x
    x = 89,782,348,131.88/275,817.88
  6. Step 6: Final answer
    x = 325,513.15

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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.