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Finding the Fourth Proportional to 327,376.60, 490,805.70 and 179,632.60

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Solution

The fourth proportional to 327,376.60, 490,805.70 and 179,632.60 is: 269,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,376.60 : 490,805.70 = 179,632.60 : x
  2. Step 2: Convert to fraction form
    327,376.60/490,805.70 = 179,632.60/x
  3. Step 3: Cross multiply
    327,376.60x = 490,805.70 × 179,632.60
  4. Step 4: Simplify right side
    327,376.60x = 88,164,703,985.82
  5. Step 5: Solve for x
    x = 88,164,703,985.82/327,376.60
  6. Step 6: Final answer
    x = 269,306.68

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1.5x scale

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.