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Finding the Fourth Proportional to 323,467.88, 446,388.72 and 178,278.87

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Solution

The fourth proportional to 323,467.88, 446,388.72 and 178,278.87 is: 246,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,467.88 : 446,388.72 = 178,278.87 : x
  2. Step 2: Convert to fraction form
    323,467.88/446,388.72 = 178,278.87/x
  3. Step 3: Cross multiply
    323,467.88x = 446,388.72 × 178,278.87
  4. Step 4: Simplify right side
    323,467.88x = 79,581,678,590.58
  5. Step 5: Solve for x
    x = 79,581,678,590.58/323,467.88
  6. Step 6: Final answer
    x = 246,026.52

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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.