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Finding the Fourth Proportional to 323,966.54, 447,073.48 and 178,772.29

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Solution

The fourth proportional to 323,966.54, 447,073.48 and 178,772.29 is: 246,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,966.54 : 447,073.48 = 178,772.29 : x
  2. Step 2: Convert to fraction form
    323,966.54/447,073.48 = 178,772.29/x
  3. Step 3: Cross multiply
    323,966.54x = 447,073.48 × 178,772.29
  4. Step 4: Simplify right side
    323,966.54x = 79,924,349,175.45
  5. Step 5: Solve for x
    x = 79,924,349,175.45/323,966.54
  6. Step 6: Final answer
    x = 246,705.57

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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.