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Finding the Fourth Proportional to 273,906.80, 410,860.20 and 185,260.40

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Solution

The fourth proportional to 273,906.80, 410,860.20 and 185,260.40 is: 277,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,906.80 : 410,860.20 = 185,260.40 : x
  2. Step 2: Convert to fraction form
    273,906.80/410,860.20 = 185,260.40/x
  3. Step 3: Cross multiply
    273,906.80x = 410,860.20 × 185,260.40
  4. Step 4: Simplify right side
    273,906.80x = 76,116,124,996.08
  5. Step 5: Solve for x
    x = 76,116,124,996.08/273,906.80
  6. Step 6: Final answer
    x = 277,890.60

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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.