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Finding the Fourth Proportional to 320,762.76, 481,141.98 and 250,701

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Solution

The fourth proportional to 320,762.76, 481,141.98 and 250,701 is: 376,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,762.76 : 481,141.98 = 250,701 : x
  2. Step 2: Convert to fraction form
    320,762.76/481,141.98 = 250,701/x
  3. Step 3: Cross multiply
    320,762.76x = 481,141.98 × 250,701
  4. Step 4: Simplify right side
    320,762.76x = 120,622,775,527.98
  5. Step 5: Solve for x
    x = 120,622,775,527.98/320,762.76
  6. Step 6: Final answer
    x = 376,049.81

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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.