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Finding the Fourth Proportional to 323,808.30, 446,855.91 and 178,610.84

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Solution

The fourth proportional to 323,808.30, 446,855.91 and 178,610.84 is: 246,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,808.30 : 446,855.91 = 178,610.84 : x
  2. Step 2: Convert to fraction form
    323,808.30/446,855.91 = 178,610.84/x
  3. Step 3: Cross multiply
    323,808.30x = 446,855.91 × 178,610.84
  4. Step 4: Simplify right side
    323,808.30x = 79,813,308,215.70
  5. Step 5: Solve for x
    x = 79,813,308,215.70/323,808.30
  6. Step 6: Final answer
    x = 246,483.21

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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.