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Finding the Fourth Proportional to 492,096.60, 738,144.90 and 281,585.70

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Solution

The fourth proportional to 492,096.60, 738,144.90 and 281,585.70 is: 422,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,096.60 : 738,144.90 = 281,585.70 : x
  2. Step 2: Convert to fraction form
    492,096.60/738,144.90 = 281,585.70/x
  3. Step 3: Cross multiply
    492,096.60x = 738,144.90 × 281,585.70
  4. Step 4: Simplify right side
    492,096.60x = 207,851,048,367.93
  5. Step 5: Solve for x
    x = 207,851,048,367.93/492,096.60
  6. Step 6: Final answer
    x = 422,378.55

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Similar ratio
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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.