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Finding the Fourth Proportional to 223,843.80, 335,765.70 and 188,414.40

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Solution

The fourth proportional to 223,843.80, 335,765.70 and 188,414.40 is: 282,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,843.80 : 335,765.70 = 188,414.40 : x
  2. Step 2: Convert to fraction form
    223,843.80/335,765.70 = 188,414.40/x
  3. Step 3: Cross multiply
    223,843.80x = 335,765.70 × 188,414.40
  4. Step 4: Simplify right side
    223,843.80x = 63,263,092,906.08
  5. Step 5: Solve for x
    x = 63,263,092,906.08/223,843.80
  6. Step 6: Final answer
    x = 282,621.60

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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.