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Finding the Fourth Proportional to 270,015.80, 404,699.70 and 185,775.80

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Solution

The fourth proportional to 270,015.80, 404,699.70 and 185,775.80 is: 278,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,015.80 : 404,699.70 = 185,775.80 : x
  2. Step 2: Convert to fraction form
    270,015.80/404,699.70 = 185,775.80/x
  3. Step 3: Cross multiply
    270,015.80x = 404,699.70 × 185,775.80
  4. Step 4: Simplify right side
    270,015.80x = 75,183,410,527.26
  5. Step 5: Solve for x
    x = 75,183,410,527.26/270,015.80
  6. Step 6: Final answer
    x = 278,440.78

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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.