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Finding the Fourth Proportional to 297,978.75, 447,249.02 and 108,622.13

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Solution

The fourth proportional to 297,978.75, 447,249.02 and 108,622.13 is: 163,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,978.75 : 447,249.02 = 108,622.13 : x
  2. Step 2: Convert to fraction form
    297,978.75/447,249.02 = 108,622.13/x
  3. Step 3: Cross multiply
    297,978.75x = 447,249.02 × 108,622.13
  4. Step 4: Simplify right side
    297,978.75x = 48,581,138,413.46
  5. Step 5: Solve for x
    x = 48,581,138,413.46/297,978.75
  6. Step 6: Final answer
    x = 163,035.58

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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.