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Finding the Fourth Proportional to 322,612.58, 483,917.25 and 82,725.41

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Solution

The fourth proportional to 322,612.58, 483,917.25 and 82,725.41 is: 124,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,612.58 : 483,917.25 = 82,725.41 : x
  2. Step 2: Convert to fraction form
    322,612.58/483,917.25 = 82,725.41/x
  3. Step 3: Cross multiply
    322,612.58x = 483,917.25 × 82,725.41
  4. Step 4: Simplify right side
    322,612.58x = 40,032,254,328.93
  5. Step 5: Solve for x
    x = 40,032,254,328.93/322,612.58
  6. Step 6: Final answer
    x = 124,087.70

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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.