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Finding the Fourth Proportional to 467,542.40, 701,313.60 and 187,260.80

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Solution

The fourth proportional to 467,542.40, 701,313.60 and 187,260.80 is: 280,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,542.40 : 701,313.60 = 187,260.80 : x
  2. Step 2: Convert to fraction form
    467,542.40/701,313.60 = 187,260.80/x
  3. Step 3: Cross multiply
    467,542.40x = 701,313.60 × 187,260.80
  4. Step 4: Simplify right side
    467,542.40x = 131,328,545,786.88
  5. Step 5: Solve for x
    x = 131,328,545,786.88/467,542.40
  6. Step 6: Final answer
    x = 280,891.20

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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.