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Finding the Fourth Proportional to 363,471.90, 501,606 and 202,316.70

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Solution

The fourth proportional to 363,471.90, 501,606 and 202,316.70 is: 279,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,471.90 : 501,606 = 202,316.70 : x
  2. Step 2: Convert to fraction form
    363,471.90/501,606 = 202,316.70/x
  3. Step 3: Cross multiply
    363,471.90x = 501,606 × 202,316.70
  4. Step 4: Simplify right side
    363,471.90x = 101,483,270,620.20
  5. Step 5: Solve for x
    x = 101,483,270,620.20/363,471.90
  6. Step 6: Final answer
    x = 279,205.27

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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.