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Finding the Fourth Proportional to 323,516.28, 446,446.41 and 176,342.31

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Solution

The fourth proportional to 323,516.28, 446,446.41 and 176,342.31 is: 243,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,516.28 : 446,446.41 = 176,342.31 : x
  2. Step 2: Convert to fraction form
    323,516.28/446,446.41 = 176,342.31/x
  3. Step 3: Cross multiply
    323,516.28x = 446,446.41 × 176,342.31
  4. Step 4: Simplify right side
    323,516.28x = 78,727,391,230.61
  5. Step 5: Solve for x
    x = 78,727,391,230.61/323,516.28
  6. Step 6: Final answer
    x = 243,349.09

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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.