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Finding the Fourth Proportional to 379,729.87, 523,836.16 and 250,532.16

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Solution

The fourth proportional to 379,729.87, 523,836.16 and 250,532.16 is: 345,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,729.87 : 523,836.16 = 250,532.16 : x
  2. Step 2: Convert to fraction form
    379,729.87/523,836.16 = 250,532.16/x
  3. Step 3: Cross multiply
    379,729.87x = 523,836.16 × 250,532.16
  4. Step 4: Simplify right side
    379,729.87x = 131,237,807,889.30
  5. Step 5: Solve for x
    x = 131,237,807,889.30/379,729.87
  6. Step 6: Final answer
    x = 345,608.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.