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Finding the Fourth Proportional to 395,996.22, 546,424.92 and 226,241.28

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Solution

The fourth proportional to 395,996.22, 546,424.92 and 226,241.28 is: 312,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,996.22 : 546,424.92 = 226,241.28 : x
  2. Step 2: Convert to fraction form
    395,996.22/546,424.92 = 226,241.28/x
  3. Step 3: Cross multiply
    395,996.22x = 546,424.92 × 226,241.28
  4. Step 4: Simplify right side
    395,996.22x = 123,623,873,324.70
  5. Step 5: Solve for x
    x = 123,623,873,324.70/395,996.22
  6. Step 6: Final answer
    x = 312,184.48

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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.