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Finding the Fourth Proportional to 272,945.70, 409,418.55 and 244,077.30

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Solution

The fourth proportional to 272,945.70, 409,418.55 and 244,077.30 is: 366,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,945.70 : 409,418.55 = 244,077.30 : x
  2. Step 2: Convert to fraction form
    272,945.70/409,418.55 = 244,077.30/x
  3. Step 3: Cross multiply
    272,945.70x = 409,418.55 × 244,077.30
  4. Step 4: Simplify right side
    272,945.70x = 99,929,774,253.92
  5. Step 5: Solve for x
    x = 99,929,774,253.92/272,945.70
  6. Step 6: Final answer
    x = 366,115.95

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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.