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Finding the Fourth Proportional to 273,999.76, 410,997.72 and 140,917.12

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Solution

The fourth proportional to 273,999.76, 410,997.72 and 140,917.12 is: 211,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,999.76 : 410,997.72 = 140,917.12 : x
  2. Step 2: Convert to fraction form
    273,999.76/410,997.72 = 140,917.12/x
  3. Step 3: Cross multiply
    273,999.76x = 410,997.72 × 140,917.12
  4. Step 4: Simplify right side
    273,999.76x = 57,916,615,028.97
  5. Step 5: Solve for x
    x = 57,916,615,028.97/273,999.76
  6. Step 6: Final answer
    x = 211,374.69

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1.5x scale

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.