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Finding the Fourth Proportional to 502,902.24, 694,023.60 and 276,568.80

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Solution

The fourth proportional to 502,902.24, 694,023.60 and 276,568.80 is: 381,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,902.24 : 694,023.60 = 276,568.80 : x
  2. Step 2: Convert to fraction form
    502,902.24/694,023.60 = 276,568.80/x
  3. Step 3: Cross multiply
    502,902.24x = 694,023.60 × 276,568.80
  4. Step 4: Simplify right side
    502,902.24x = 191,945,274,223.68
  5. Step 5: Solve for x
    x = 191,945,274,223.68/502,902.24
  6. Step 6: Final answer
    x = 381,675.12

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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.