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Finding the Fourth Proportional to 323,648.32, 446,451.78 and 202,579.42

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Solution

The fourth proportional to 323,648.32, 446,451.78 and 202,579.42 is: 279,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,648.32 : 446,451.78 = 202,579.42 : x
  2. Step 2: Convert to fraction form
    323,648.32/446,451.78 = 202,579.42/x
  3. Step 3: Cross multiply
    323,648.32x = 446,451.78 × 202,579.42
  4. Step 4: Simplify right side
    323,648.32x = 90,441,942,650.37
  5. Step 5: Solve for x
    x = 90,441,942,650.37/323,648.32
  6. Step 6: Final answer
    x = 279,445.12

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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.