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Finding the Fourth Proportional to 273,867.20, 410,109.60 and 203,364.80

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Solution

The fourth proportional to 273,867.20, 410,109.60 and 203,364.80 is: 304,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,867.20 : 410,109.60 = 203,364.80 : x
  2. Step 2: Convert to fraction form
    273,867.20/410,109.60 = 203,364.80/x
  3. Step 3: Cross multiply
    273,867.20x = 410,109.60 × 203,364.80
  4. Step 4: Simplify right side
    273,867.20x = 83,401,856,782.08
  5. Step 5: Solve for x
    x = 83,401,856,782.08/273,867.20
  6. Step 6: Final answer
    x = 304,533.94

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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.