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Finding the Fourth Proportional to 300,591.50, 448,234.79 and 297,891.92

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Solution

The fourth proportional to 300,591.50, 448,234.79 and 297,891.92 is: 444,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,591.50 : 448,234.79 = 297,891.92 : x
  2. Step 2: Convert to fraction form
    300,591.50/448,234.79 = 297,891.92/x
  3. Step 3: Cross multiply
    300,591.50x = 448,234.79 × 297,891.92
  4. Step 4: Simplify right side
    300,591.50x = 133,525,521,835.02
  5. Step 5: Solve for x
    x = 133,525,521,835.02/300,591.50
  6. Step 6: Final answer
    x = 444,209.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.