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Finding the Fourth Proportional to 300,775.25, 451,028.05 and 179,253.20

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Solution

The fourth proportional to 300,775.25, 451,028.05 and 179,253.20 is: 268,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,775.25 : 451,028.05 = 179,253.20 : x
  2. Step 2: Convert to fraction form
    300,775.25/451,028.05 = 179,253.20/x
  3. Step 3: Cross multiply
    300,775.25x = 451,028.05 × 179,253.20
  4. Step 4: Simplify right side
    300,775.25x = 80,848,221,252.26
  5. Step 5: Solve for x
    x = 80,848,221,252.26/300,775.25
  6. Step 6: Final answer
    x = 268,799.45

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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.