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Finding the Fourth Proportional to 322,680.78, 445,310.33 and 177,492.74

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Solution

The fourth proportional to 322,680.78, 445,310.33 and 177,492.74 is: 244,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,680.78 : 445,310.33 = 177,492.74 : x
  2. Step 2: Convert to fraction form
    322,680.78/445,310.33 = 177,492.74/x
  3. Step 3: Cross multiply
    322,680.78x = 445,310.33 × 177,492.74
  4. Step 4: Simplify right side
    322,680.78x = 79,039,347,507.99
  5. Step 5: Solve for x
    x = 79,039,347,507.99/322,680.78
  6. Step 6: Final answer
    x = 244,945.94

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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.