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Finding the Fourth Proportional to 508,250.34, 701,469.45 and 281,968.74

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Solution

The fourth proportional to 508,250.34, 701,469.45 and 281,968.74 is: 389,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,250.34 : 701,469.45 = 281,968.74 : x
  2. Step 2: Convert to fraction form
    508,250.34/701,469.45 = 281,968.74/x
  3. Step 3: Cross multiply
    508,250.34x = 701,469.45 × 281,968.74
  4. Step 4: Simplify right side
    508,250.34x = 197,792,456,964.99
  5. Step 5: Solve for x
    x = 197,792,456,964.99/508,250.34
  6. Step 6: Final answer
    x = 389,163.45

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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.