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Finding the Fourth Proportional to 322,584.75, 445,166.96 and 181,272.75

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Solution

The fourth proportional to 322,584.75, 445,166.96 and 181,272.75 is: 250,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,584.75 : 445,166.96 = 181,272.75 : x
  2. Step 2: Convert to fraction form
    322,584.75/445,166.96 = 181,272.75/x
  3. Step 3: Cross multiply
    322,584.75x = 445,166.96 × 181,272.75
  4. Step 4: Simplify right side
    322,584.75x = 80,696,638,141.98
  5. Step 5: Solve for x
    x = 80,696,638,141.98/322,584.75
  6. Step 6: Final answer
    x = 250,156.40

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1.5x scale

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.