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Finding the Fourth Proportional to 323,902.54, 446,974.95 and 176,721.94

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Solution

The fourth proportional to 323,902.54, 446,974.95 and 176,721.94 is: 243,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,902.54 : 446,974.95 = 176,721.94 : x
  2. Step 2: Convert to fraction form
    323,902.54/446,974.95 = 176,721.94/x
  3. Step 3: Cross multiply
    323,902.54x = 446,974.95 × 176,721.94
  4. Step 4: Simplify right side
    323,902.54x = 78,990,280,295.40
  5. Step 5: Solve for x
    x = 78,990,280,295.40/323,902.54
  6. Step 6: Final answer
    x = 243,870.52

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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.