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Finding the Fourth Proportional to 324,507.44, 485,966.28 and 268,001.84

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Solution

The fourth proportional to 324,507.44, 485,966.28 and 268,001.84 is: 401,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,507.44 : 485,966.28 = 268,001.84 : x
  2. Step 2: Convert to fraction form
    324,507.44/485,966.28 = 268,001.84/x
  3. Step 3: Cross multiply
    324,507.44x = 485,966.28 × 268,001.84
  4. Step 4: Simplify right side
    324,507.44x = 130,239,857,217.96
  5. Step 5: Solve for x
    x = 130,239,857,217.96/324,507.44
  6. Step 6: Final answer
    x = 401,346.29

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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.