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Finding the Fourth Proportional to 363,063.75, 501,041.80 and 201,930.45

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Solution

The fourth proportional to 363,063.75, 501,041.80 and 201,930.45 is: 278,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,063.75 : 501,041.80 = 201,930.45 : x
  2. Step 2: Convert to fraction form
    363,063.75/501,041.80 = 201,930.45/x
  3. Step 3: Cross multiply
    363,063.75x = 501,041.80 × 201,930.45
  4. Step 4: Simplify right side
    363,063.75x = 101,175,597,334.68
  5. Step 5: Solve for x
    x = 101,175,597,334.68/363,063.75
  6. Step 6: Final answer
    x = 278,671.71

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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.