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Finding the Fourth Proportional to 483,169.44, 724,958.91 and 258,471

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Solution

The fourth proportional to 483,169.44, 724,958.91 and 258,471 is: 387,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,169.44 : 724,958.91 = 258,471 : x
  2. Step 2: Convert to fraction form
    483,169.44/724,958.91 = 258,471/x
  3. Step 3: Cross multiply
    483,169.44x = 724,958.91 × 258,471
  4. Step 4: Simplify right side
    483,169.44x = 187,380,854,426.61
  5. Step 5: Solve for x
    x = 187,380,854,426.61/483,169.44
  6. Step 6: Final answer
    x = 387,816.03

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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.