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Finding the Fourth Proportional to 273,535.80, 410,303.70 and 193,819.65

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Solution

The fourth proportional to 273,535.80, 410,303.70 and 193,819.65 is: 290,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,535.80 : 410,303.70 = 193,819.65 : x
  2. Step 2: Convert to fraction form
    273,535.80/410,303.70 = 193,819.65/x
  3. Step 3: Cross multiply
    273,535.80x = 410,303.70 × 193,819.65
  4. Step 4: Simplify right side
    273,535.80x = 79,524,919,527.71
  5. Step 5: Solve for x
    x = 79,524,919,527.71/273,535.80
  6. Step 6: Final answer
    x = 290,729.48

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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.