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Finding the Fourth Proportional to 580,290.28, 800,595.29 and 379,202.92

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Solution

The fourth proportional to 580,290.28, 800,595.29 and 379,202.92 is: 523,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,290.28 : 800,595.29 = 379,202.92 : x
  2. Step 2: Convert to fraction form
    580,290.28/800,595.29 = 379,202.92/x
  3. Step 3: Cross multiply
    580,290.28x = 800,595.29 × 379,202.92
  4. Step 4: Simplify right side
    580,290.28x = 303,588,071,706.25
  5. Step 5: Solve for x
    x = 303,588,071,706.25/580,290.28
  6. Step 6: Final answer
    x = 523,165.87

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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.