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Finding the Fourth Proportional to 276,596.60, 414,894.90 and 192,615.80

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Solution

The fourth proportional to 276,596.60, 414,894.90 and 192,615.80 is: 288,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,596.60 : 414,894.90 = 192,615.80 : x
  2. Step 2: Convert to fraction form
    276,596.60/414,894.90 = 192,615.80/x
  3. Step 3: Cross multiply
    276,596.60x = 414,894.90 × 192,615.80
  4. Step 4: Simplify right side
    276,596.60x = 79,915,313,079.42
  5. Step 5: Solve for x
    x = 79,915,313,079.42/276,596.60
  6. Step 6: Final answer
    x = 288,923.70

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Similar ratio
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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.