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Finding the Fourth Proportional to 273,804.80, 410,283.86 and 213,690.74

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Solution

The fourth proportional to 273,804.80, 410,283.86 and 213,690.74 is: 320,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,804.80 : 410,283.86 = 213,690.74 : x
  2. Step 2: Convert to fraction form
    273,804.80/410,283.86 = 213,690.74/x
  3. Step 3: Cross multiply
    273,804.80x = 410,283.86 × 213,690.74
  4. Step 4: Simplify right side
    273,804.80x = 87,673,858,533.58
  5. Step 5: Solve for x
    x = 87,673,858,533.58/273,804.80
  6. Step 6: Final answer
    x = 320,205.71

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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.