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Finding the Fourth Proportional to 323,812.30, 446,861.43 and 178,614.84

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Solution

The fourth proportional to 323,812.30, 446,861.43 and 178,614.84 is: 246,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,812.30 : 446,861.43 = 178,614.84 : x
  2. Step 2: Convert to fraction form
    323,812.30/446,861.43 = 178,614.84/x
  3. Step 3: Cross multiply
    323,812.30x = 446,861.43 × 178,614.84
  4. Step 4: Simplify right side
    323,812.30x = 79,816,082,821.62
  5. Step 5: Solve for x
    x = 79,816,082,821.62/323,812.30
  6. Step 6: Final answer
    x = 246,488.73

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1.5x scale

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.