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Finding the Fourth Proportional to 483,288.03, 724,654.26 and 199,174.73

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Solution

The fourth proportional to 483,288.03, 724,654.26 and 199,174.73 is: 298,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,288.03 : 724,654.26 = 199,174.73 : x
  2. Step 2: Convert to fraction form
    483,288.03/724,654.26 = 199,174.73/x
  3. Step 3: Cross multiply
    483,288.03x = 724,654.26 × 199,174.73
  4. Step 4: Simplify right side
    483,288.03x = 144,332,812,955.58
  5. Step 5: Solve for x
    x = 144,332,812,955.58/483,288.03
  6. Step 6: Final answer
    x = 298,647.61

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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.