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Finding the Fourth Proportional to 305,689.94, 458,536.44 and 179,241.25

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Solution

The fourth proportional to 305,689.94, 458,536.44 and 179,241.25 is: 268,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,689.94 : 458,536.44 = 179,241.25 : x
  2. Step 2: Convert to fraction form
    305,689.94/458,536.44 = 179,241.25/x
  3. Step 3: Cross multiply
    305,689.94x = 458,536.44 × 179,241.25
  4. Step 4: Simplify right side
    305,689.94x = 82,188,642,383.47
  5. Step 5: Solve for x
    x = 82,188,642,383.47/305,689.94
  6. Step 6: Final answer
    x = 268,862.76

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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.