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Finding the Fourth Proportional to 502,892.47, 693,993.05 and 273,449.85

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Solution

The fourth proportional to 502,892.47, 693,993.05 and 273,449.85 is: 377,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,892.47 : 693,993.05 = 273,449.85 : x
  2. Step 2: Convert to fraction form
    502,892.47/693,993.05 = 273,449.85/x
  3. Step 3: Cross multiply
    502,892.47x = 693,993.05 × 273,449.85
  4. Step 4: Simplify right side
    502,892.47x = 189,772,295,423.54
  5. Step 5: Solve for x
    x = 189,772,295,423.54/502,892.47
  6. Step 6: Final answer
    x = 377,361.58

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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.