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Finding the Fourth Proportional to 483,170.44, 724,960.41 and 258,472

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Solution

The fourth proportional to 483,170.44, 724,960.41 and 258,472 is: 387,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,170.44 : 724,960.41 = 258,472 : x
  2. Step 2: Convert to fraction form
    483,170.44/724,960.41 = 258,472/x
  3. Step 3: Cross multiply
    483,170.44x = 724,960.41 × 258,472
  4. Step 4: Simplify right side
    483,170.44x = 187,381,967,093.52
  5. Step 5: Solve for x
    x = 187,381,967,093.52/483,170.44
  6. Step 6: Final answer
    x = 387,817.53

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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.