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Finding the Fourth Proportional to 442,251.92, 610,300.89 and 248,659.80

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Solution

The fourth proportional to 442,251.92, 610,300.89 and 248,659.80 is: 343,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,251.92 : 610,300.89 = 248,659.80 : x
  2. Step 2: Convert to fraction form
    442,251.92/610,300.89 = 248,659.80/x
  3. Step 3: Cross multiply
    442,251.92x = 610,300.89 × 248,659.80
  4. Step 4: Simplify right side
    442,251.92x = 151,757,297,247.22
  5. Step 5: Solve for x
    x = 151,757,297,247.22/442,251.92
  6. Step 6: Final answer
    x = 343,146.73

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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.