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Finding the Fourth Proportional to 273,009.20, 409,513.80 and 244,140.80

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Solution

The fourth proportional to 273,009.20, 409,513.80 and 244,140.80 is: 366,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,009.20 : 409,513.80 = 244,140.80 : x
  2. Step 2: Convert to fraction form
    273,009.20/409,513.80 = 244,140.80/x
  3. Step 3: Cross multiply
    273,009.20x = 409,513.80 × 244,140.80
  4. Step 4: Simplify right side
    273,009.20x = 99,979,026,743.04
  5. Step 5: Solve for x
    x = 99,979,026,743.04/273,009.20
  6. Step 6: Final answer
    x = 366,211.20

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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.