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Finding the Fourth Proportional to 363,552.48, 545,331.46 and 126,895.38

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Solution

The fourth proportional to 363,552.48, 545,331.46 and 126,895.38 is: 190,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,552.48 : 545,331.46 = 126,895.38 : x
  2. Step 2: Convert to fraction form
    363,552.48/545,331.46 = 126,895.38/x
  3. Step 3: Cross multiply
    363,552.48x = 545,331.46 × 126,895.38
  4. Step 4: Simplify right side
    363,552.48x = 69,200,042,842.65
  5. Step 5: Solve for x
    x = 69,200,042,842.65/363,552.48
  6. Step 6: Final answer
    x = 190,344.03

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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.