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Finding the Fourth Proportional to 482,963.27, 724,149.51 and 230,321.03

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Solution

The fourth proportional to 482,963.27, 724,149.51 and 230,321.03 is: 345,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,963.27 : 724,149.51 = 230,321.03 : x
  2. Step 2: Convert to fraction form
    482,963.27/724,149.51 = 230,321.03/x
  3. Step 3: Cross multiply
    482,963.27x = 724,149.51 × 230,321.03
  4. Step 4: Simplify right side
    482,963.27x = 166,786,857,396.45
  5. Step 5: Solve for x
    x = 166,786,857,396.45/482,963.27
  6. Step 6: Final answer
    x = 345,340.67

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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.