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Finding the Fourth Proportional to 363,073.05, 501,047.25 and 201,928.17

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Solution

The fourth proportional to 363,073.05, 501,047.25 and 201,928.17 is: 278,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,073.05 : 501,047.25 = 201,928.17 : x
  2. Step 2: Convert to fraction form
    363,073.05/501,047.25 = 201,928.17/x
  3. Step 3: Cross multiply
    363,073.05x = 501,047.25 × 201,928.17
  4. Step 4: Simplify right side
    363,073.05x = 101,175,555,397.73
  5. Step 5: Solve for x
    x = 101,175,555,397.73/363,073.05
  6. Step 6: Final answer
    x = 278,664.46

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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.