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Finding the Fourth Proportional to 363,628.85, 501,842.69 and 202,483.85

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Solution

The fourth proportional to 363,628.85, 501,842.69 and 202,483.85 is: 279,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,628.85 : 501,842.69 = 202,483.85 : x
  2. Step 2: Convert to fraction form
    363,628.85/501,842.69 = 202,483.85/x
  3. Step 3: Cross multiply
    363,628.85x = 501,842.69 × 202,483.85
  4. Step 4: Simplify right side
    363,628.85x = 101,615,040,026.10
  5. Step 5: Solve for x
    x = 101,615,040,026.10/363,628.85
  6. Step 6: Final answer
    x = 279,447.14

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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.