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Finding the Fourth Proportional to 300,151.68, 449,903.52 and 195,046.08

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Solution

The fourth proportional to 300,151.68, 449,903.52 and 195,046.08 is: 292,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,151.68 : 449,903.52 = 195,046.08 : x
  2. Step 2: Convert to fraction form
    300,151.68/449,903.52 = 195,046.08/x
  3. Step 3: Cross multiply
    300,151.68x = 449,903.52 × 195,046.08
  4. Step 4: Simplify right side
    300,151.68x = 87,751,917,954.20
  5. Step 5: Solve for x
    x = 87,751,917,954.20/300,151.68
  6. Step 6: Final answer
    x = 292,358.58

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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.