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Finding the Fourth Proportional to 580,208.28, 800,482.14 and 379,120.92

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Solution

The fourth proportional to 580,208.28, 800,482.14 and 379,120.92 is: 523,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,208.28 : 800,482.14 = 379,120.92 : x
  2. Step 2: Convert to fraction form
    580,208.28/800,482.14 = 379,120.92/x
  3. Step 3: Cross multiply
    580,208.28x = 800,482.14 × 379,120.92
  4. Step 4: Simplify right side
    580,208.28x = 303,479,525,360.37
  5. Step 5: Solve for x
    x = 303,479,525,360.37/580,208.28
  6. Step 6: Final answer
    x = 523,052.73

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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.