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Finding the Fourth Proportional to 274,087.20, 410,871.60 and 161,853.60

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Solution

The fourth proportional to 274,087.20, 410,871.60 and 161,853.60 is: 242,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,087.20 : 410,871.60 = 161,853.60 : x
  2. Step 2: Convert to fraction form
    274,087.20/410,871.60 = 161,853.60/x
  3. Step 3: Cross multiply
    274,087.20x = 410,871.60 × 161,853.60
  4. Step 4: Simplify right side
    274,087.20x = 66,501,047,597.76
  5. Step 5: Solve for x
    x = 66,501,047,597.76/274,087.20
  6. Step 6: Final answer
    x = 242,627.34

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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.