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Finding the Fourth Proportional to 613,240.50, 919,869.03 and 192,516.42

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Solution

The fourth proportional to 613,240.50, 919,869.03 and 192,516.42 is: 288,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,240.50 : 919,869.03 = 192,516.42 : x
  2. Step 2: Convert to fraction form
    613,240.50/919,869.03 = 192,516.42/x
  3. Step 3: Cross multiply
    613,240.50x = 919,869.03 × 192,516.42
  4. Step 4: Simplify right side
    613,240.50x = 177,089,892,524.47
  5. Step 5: Solve for x
    x = 177,089,892,524.47/613,240.50
  6. Step 6: Final answer
    x = 288,777.23

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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.