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Finding the Fourth Proportional to 323,894.34, 446,974.97 and 180,663.66

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Solution

The fourth proportional to 323,894.34, 446,974.97 and 180,663.66 is: 249,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,894.34 : 446,974.97 = 180,663.66 : x
  2. Step 2: Convert to fraction form
    323,894.34/446,974.97 = 180,663.66/x
  3. Step 3: Cross multiply
    323,894.34x = 446,974.97 × 180,663.66
  4. Step 4: Simplify right side
    323,894.34x = 80,752,134,008.59
  5. Step 5: Solve for x
    x = 80,752,134,008.59/323,894.34
  6. Step 6: Final answer
    x = 249,316.29

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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.