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Finding the Fourth Proportional to 467,812.28, 701,611.10 and 130,876.70

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Solution

The fourth proportional to 467,812.28, 701,611.10 and 130,876.70 is: 196,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,812.28 : 701,611.10 = 130,876.70 : x
  2. Step 2: Convert to fraction form
    467,812.28/701,611.10 = 130,876.70/x
  3. Step 3: Cross multiply
    467,812.28x = 701,611.10 × 130,876.70
  4. Step 4: Simplify right side
    467,812.28x = 91,824,545,451.37
  5. Step 5: Solve for x
    x = 91,824,545,451.37/467,812.28
  6. Step 6: Final answer
    x = 196,285.03

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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.