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Finding the Fourth Proportional to 322,234.53, 444,674.79 and 178,990.89

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Solution

The fourth proportional to 322,234.53, 444,674.79 and 178,990.89 is: 247,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,234.53 : 444,674.79 = 178,990.89 : x
  2. Step 2: Convert to fraction form
    322,234.53/444,674.79 = 178,990.89/x
  3. Step 3: Cross multiply
    322,234.53x = 444,674.79 × 178,990.89
  4. Step 4: Simplify right side
    322,234.53x = 79,592,736,422.66
  5. Step 5: Solve for x
    x = 79,592,736,422.66/322,234.53
  6. Step 6: Final answer
    x = 247,002.51

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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.