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Finding the Fourth Proportional to 483,131.70, 666,652.41 and 268,274.34

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Solution

The fourth proportional to 483,131.70, 666,652.41 and 268,274.34 is: 370,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,131.70 : 666,652.41 = 268,274.34 : x
  2. Step 2: Convert to fraction form
    483,131.70/666,652.41 = 268,274.34/x
  3. Step 3: Cross multiply
    483,131.70x = 666,652.41 × 268,274.34
  4. Step 4: Simplify right side
    483,131.70x = 178,845,735,302.16
  5. Step 5: Solve for x
    x = 178,845,735,302.16/483,131.70
  6. Step 6: Final answer
    x = 370,180.09

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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.