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Finding the Fourth Proportional to 464,568.40, 641,116.92 and 273,546.64

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Solution

The fourth proportional to 464,568.40, 641,116.92 and 273,546.64 is: 377,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,568.40 : 641,116.92 = 273,546.64 : x
  2. Step 2: Convert to fraction form
    464,568.40/641,116.92 = 273,546.64/x
  3. Step 3: Cross multiply
    464,568.40x = 641,116.92 × 273,546.64
  4. Step 4: Simplify right side
    464,568.40x = 175,375,379,313.15
  5. Step 5: Solve for x
    x = 175,375,379,313.15/464,568.40
  6. Step 6: Final answer
    x = 377,501.74

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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.