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Finding the Fourth Proportional to 305,994.80, 458,992.56 and 95,633.84

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Solution

The fourth proportional to 305,994.80, 458,992.56 and 95,633.84 is: 143,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,994.80 : 458,992.56 = 95,633.84 : x
  2. Step 2: Convert to fraction form
    305,994.80/458,992.56 = 95,633.84/x
  3. Step 3: Cross multiply
    305,994.80x = 458,992.56 × 95,633.84
  4. Step 4: Simplify right side
    305,994.80x = 43,895,221,044.23
  5. Step 5: Solve for x
    x = 43,895,221,044.23/305,994.80
  6. Step 6: Final answer
    x = 143,450.87

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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.