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Finding the Fourth Proportional to 324,049.86, 447,154.89 and 178,852.97

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Solution

The fourth proportional to 324,049.86, 447,154.89 and 178,852.97 is: 246,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,049.86 : 447,154.89 = 178,852.97 : x
  2. Step 2: Convert to fraction form
    324,049.86/447,154.89 = 178,852.97/x
  3. Step 3: Cross multiply
    324,049.86x = 447,154.89 × 178,852.97
  4. Step 4: Simplify right side
    324,049.86x = 79,974,977,890.75
  5. Step 5: Solve for x
    x = 79,974,977,890.75/324,049.86
  6. Step 6: Final answer
    x = 246,798.37

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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.