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Finding the Fourth Proportional to 273,876.40, 410,123.40 and 218,580.40

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Solution

The fourth proportional to 273,876.40, 410,123.40 and 218,580.40 is: 327,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,876.40 : 410,123.40 = 218,580.40 : x
  2. Step 2: Convert to fraction form
    273,876.40/410,123.40 = 218,580.40/x
  3. Step 3: Cross multiply
    273,876.40x = 410,123.40 × 218,580.40
  4. Step 4: Simplify right side
    273,876.40x = 89,644,936,821.36
  5. Step 5: Solve for x
    x = 89,644,936,821.36/273,876.40
  6. Step 6: Final answer
    x = 327,318.95

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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.