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Finding the Fourth Proportional to 323,898.54, 446,969.43 and 176,717.94

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Solution

The fourth proportional to 323,898.54, 446,969.43 and 176,717.94 is: 243,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,898.54 : 446,969.43 = 176,717.94 : x
  2. Step 2: Convert to fraction form
    323,898.54/446,969.43 = 176,717.94/x
  3. Step 3: Cross multiply
    323,898.54x = 446,969.43 × 176,717.94
  4. Step 4: Simplify right side
    323,898.54x = 78,987,516,912.57
  5. Step 5: Solve for x
    x = 78,987,516,912.57/323,898.54
  6. Step 6: Final answer
    x = 243,865.00

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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.