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Finding the Fourth Proportional to 341,572.80, 512,359.20 and 303,190.95

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Solution

The fourth proportional to 341,572.80, 512,359.20 and 303,190.95 is: 454,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,572.80 : 512,359.20 = 303,190.95 : x
  2. Step 2: Convert to fraction form
    341,572.80/512,359.20 = 303,190.95/x
  3. Step 3: Cross multiply
    341,572.80x = 512,359.20 × 303,190.95
  4. Step 4: Simplify right side
    341,572.80x = 155,342,672,589.24
  5. Step 5: Solve for x
    x = 155,342,672,589.24/341,572.80
  6. Step 6: Final answer
    x = 454,786.43

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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.