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Finding the Fourth Proportional to 322,576.16, 483,943.62 and 112,215.92

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Solution

The fourth proportional to 322,576.16, 483,943.62 and 112,215.92 is: 168,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,576.16 : 483,943.62 = 112,215.92 : x
  2. Step 2: Convert to fraction form
    322,576.16/483,943.62 = 112,215.92/x
  3. Step 3: Cross multiply
    322,576.16x = 483,943.62 × 112,215.92
  4. Step 4: Simplify right side
    322,576.16x = 54,306,178,546.43
  5. Step 5: Solve for x
    x = 54,306,178,546.43/322,576.16
  6. Step 6: Final answer
    x = 168,351.49

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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.