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Finding the Fourth Proportional to 502,755.72, 693,794.59 and 273,318.69

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Solution

The fourth proportional to 502,755.72, 693,794.59 and 273,318.69 is: 377,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,755.72 : 693,794.59 = 273,318.69 : x
  2. Step 2: Convert to fraction form
    502,755.72/693,794.59 = 273,318.69/x
  3. Step 3: Cross multiply
    502,755.72x = 693,794.59 × 273,318.69
  4. Step 4: Simplify right side
    502,755.72x = 189,627,028,467.89
  5. Step 5: Solve for x
    x = 189,627,028,467.89/502,755.72
  6. Step 6: Final answer
    x = 377,175.28

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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.