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Finding the Fourth Proportional to 363,408.42, 501,498.60 and 202,263.53

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Solution

The fourth proportional to 363,408.42, 501,498.60 and 202,263.53 is: 279,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,408.42 : 501,498.60 = 202,263.53 : x
  2. Step 2: Convert to fraction form
    363,408.42/501,498.60 = 202,263.53/x
  3. Step 3: Cross multiply
    363,408.42x = 501,498.60 × 202,263.53
  4. Step 4: Simplify right side
    363,408.42x = 101,434,873,860.08
  5. Step 5: Solve for x
    x = 101,434,873,860.08/363,408.42
  6. Step 6: Final answer
    x = 279,120.87

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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.