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Finding the Fourth Proportional to 273,959.20, 410,679.60 and 161,725.60

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Solution

The fourth proportional to 273,959.20, 410,679.60 and 161,725.60 is: 242,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,959.20 : 410,679.60 = 161,725.60 : x
  2. Step 2: Convert to fraction form
    273,959.20/410,679.60 = 161,725.60/x
  3. Step 3: Cross multiply
    273,959.20x = 410,679.60 × 161,725.60
  4. Step 4: Simplify right side
    273,959.20x = 66,417,404,717.76
  5. Step 5: Solve for x
    x = 66,417,404,717.76/273,959.20
  6. Step 6: Final answer
    x = 242,435.39

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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.