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Finding the Fourth Proportional to 297,880.26, 447,138.72 and 120,503.22

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Solution

The fourth proportional to 297,880.26, 447,138.72 and 120,503.22 is: 180,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,880.26 : 447,138.72 = 120,503.22 : x
  2. Step 2: Convert to fraction form
    297,880.26/447,138.72 = 120,503.22/x
  3. Step 3: Cross multiply
    297,880.26x = 447,138.72 × 120,503.22
  4. Step 4: Simplify right side
    297,880.26x = 53,881,655,546.68
  5. Step 5: Solve for x
    x = 53,881,655,546.68/297,880.26
  6. Step 6: Final answer
    x = 180,883.61

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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.