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Finding the Fourth Proportional to 354,736.80, 532,105.20 and 344,895.30

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Solution

The fourth proportional to 354,736.80, 532,105.20 and 344,895.30 is: 517,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,736.80 : 532,105.20 = 344,895.30 : x
  2. Step 2: Convert to fraction form
    354,736.80/532,105.20 = 344,895.30/x
  3. Step 3: Cross multiply
    354,736.80x = 532,105.20 × 344,895.30
  4. Step 4: Simplify right side
    354,736.80x = 183,520,582,585.56
  5. Step 5: Solve for x
    x = 183,520,582,585.56/354,736.80
  6. Step 6: Final answer
    x = 517,342.95

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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.