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Finding the Fourth Proportional to 300,811.52, 415,119.88 and 179,957.88

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Solution

The fourth proportional to 300,811.52, 415,119.88 and 179,957.88 is: 248,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,811.52 : 415,119.88 = 179,957.88 : x
  2. Step 2: Convert to fraction form
    300,811.52/415,119.88 = 179,957.88/x
  3. Step 3: Cross multiply
    300,811.52x = 415,119.88 × 179,957.88
  4. Step 4: Simplify right side
    300,811.52x = 74,704,093,550.65
  5. Step 5: Solve for x
    x = 74,704,093,550.65/300,811.52
  6. Step 6: Final answer
    x = 248,341.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.