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Finding the Fourth Proportional to 322,042.43, 483,063.65 and 122,315.57

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Solution

The fourth proportional to 322,042.43, 483,063.65 and 122,315.57 is: 183,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,042.43 : 483,063.65 = 122,315.57 : x
  2. Step 2: Convert to fraction form
    322,042.43/483,063.65 = 122,315.57/x
  3. Step 3: Cross multiply
    322,042.43x = 483,063.65 × 122,315.57
  4. Step 4: Simplify right side
    322,042.43x = 59,086,204,939.31
  5. Step 5: Solve for x
    x = 59,086,204,939.31/322,042.43
  6. Step 6: Final answer
    x = 183,473.35

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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.