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Finding the Fourth Proportional to 363,960.50, 502,122.29 and 243,180.68

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Solution

The fourth proportional to 363,960.50, 502,122.29 and 243,180.68 is: 335,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,960.50 : 502,122.29 = 243,180.68 : x
  2. Step 2: Convert to fraction form
    363,960.50/502,122.29 = 243,180.68/x
  3. Step 3: Cross multiply
    363,960.50x = 502,122.29 × 243,180.68
  4. Step 4: Simplify right side
    363,960.50x = 122,106,436,198.84
  5. Step 5: Solve for x
    x = 122,106,436,198.84/363,960.50
  6. Step 6: Final answer
    x = 335,493.65

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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.