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Finding the Fourth Proportional to 300,095.92, 449,644.10 and 211,162.59

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Solution

The fourth proportional to 300,095.92, 449,644.10 and 211,162.59 is: 316,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,095.92 : 449,644.10 = 211,162.59 : x
  2. Step 2: Convert to fraction form
    300,095.92/449,644.10 = 211,162.59/x
  3. Step 3: Cross multiply
    300,095.92x = 449,644.10 × 211,162.59
  4. Step 4: Simplify right side
    300,095.92x = 94,948,009,958.09
  5. Step 5: Solve for x
    x = 94,948,009,958.09/300,095.92
  6. Step 6: Final answer
    x = 316,392.21

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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.