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Finding the Fourth Proportional to 273,902.40, 410,853.60 and 168,379.20

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Solution

The fourth proportional to 273,902.40, 410,853.60 and 168,379.20 is: 252,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,902.40 : 410,853.60 = 168,379.20 : x
  2. Step 2: Convert to fraction form
    273,902.40/410,853.60 = 168,379.20/x
  3. Step 3: Cross multiply
    273,902.40x = 410,853.60 × 168,379.20
  4. Step 4: Simplify right side
    273,902.40x = 69,179,200,485.12
  5. Step 5: Solve for x
    x = 69,179,200,485.12/273,902.40
  6. Step 6: Final answer
    x = 252,568.80

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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.