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Finding the Fourth Proportional to 298,935.65, 447,424.17 and 163,793.63

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Solution

The fourth proportional to 298,935.65, 447,424.17 and 163,793.63 is: 245,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935.65 : 447,424.17 = 163,793.63 : x
  2. Step 2: Convert to fraction form
    298,935.65/447,424.17 = 163,793.63/x
  3. Step 3: Cross multiply
    298,935.65x = 447,424.17 × 163,793.63
  4. Step 4: Simplify right side
    298,935.65x = 73,285,226,716.92
  5. Step 5: Solve for x
    x = 73,285,226,716.92/298,935.65
  6. Step 6: Final answer
    x = 245,153.86

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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.