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Finding the Fourth Proportional to 297,229.58, 445,253.86 and 163,778.84

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Solution

The fourth proportional to 297,229.58, 445,253.86 and 163,778.84 is: 245,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,229.58 : 445,253.86 = 163,778.84 : x
  2. Step 2: Convert to fraction form
    297,229.58/445,253.86 = 163,778.84/x
  3. Step 3: Cross multiply
    297,229.58x = 445,253.86 × 163,778.84
  4. Step 4: Simplify right side
    297,229.58x = 72,923,157,651.16
  5. Step 5: Solve for x
    x = 72,923,157,651.16/297,229.58
  6. Step 6: Final answer
    x = 245,342.87

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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.