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Finding the Fourth Proportional to 650,930.94, 898,379.01 and 364,469.49

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Solution

The fourth proportional to 650,930.94, 898,379.01 and 364,469.49 is: 503,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,930.94 : 898,379.01 = 364,469.49 : x
  2. Step 2: Convert to fraction form
    650,930.94/898,379.01 = 364,469.49/x
  3. Step 3: Cross multiply
    650,930.94x = 898,379.01 × 364,469.49
  4. Step 4: Simplify right side
    650,930.94x = 327,431,739,601.41
  5. Step 5: Solve for x
    x = 327,431,739,601.41/650,930.94
  6. Step 6: Final answer
    x = 503,020.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.