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Finding the Fourth Proportional to 297,229.07, 445,253.11 and 163,778.33

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Solution

The fourth proportional to 297,229.07, 445,253.11 and 163,778.33 is: 245,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,229.07 : 445,253.11 = 163,778.33 : x
  2. Step 2: Convert to fraction form
    297,229.07/445,253.11 = 163,778.33/x
  3. Step 3: Cross multiply
    297,229.07x = 445,253.11 × 163,778.33
  4. Step 4: Simplify right side
    297,229.07x = 72,922,811,486.79
  5. Step 5: Solve for x
    x = 72,922,811,486.79/297,229.07
  6. Step 6: Final answer
    x = 245,342.12

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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.