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Finding the Fourth Proportional to 323,801.94, 446,849.58 and 178,613.28

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Solution

The fourth proportional to 323,801.94, 446,849.58 and 178,613.28 is: 246,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,801.94 : 446,849.58 = 178,613.28 : x
  2. Step 2: Convert to fraction form
    323,801.94/446,849.58 = 178,613.28/x
  3. Step 3: Cross multiply
    323,801.94x = 446,849.58 × 178,613.28
  4. Step 4: Simplify right side
    323,801.94x = 79,813,269,150.42
  5. Step 5: Solve for x
    x = 79,813,269,150.42/323,801.94
  6. Step 6: Final answer
    x = 246,487.93

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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.