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Finding the Fourth Proportional to 305,694.72, 458,634.24 and 95,354.88

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Solution

The fourth proportional to 305,694.72, 458,634.24 and 95,354.88 is: 143,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,694.72 : 458,634.24 = 95,354.88 : x
  2. Step 2: Convert to fraction form
    305,694.72/458,634.24 = 95,354.88/x
  3. Step 3: Cross multiply
    305,694.72x = 458,634.24 × 95,354.88
  4. Step 4: Simplify right side
    305,694.72x = 43,733,012,919.09
  5. Step 5: Solve for x
    x = 43,733,012,919.09/305,694.72
  6. Step 6: Final answer
    x = 143,061.07

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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.