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Finding the Fourth Proportional to 323,915.92, 447,001.00 and 178,723.04

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Solution

The fourth proportional to 323,915.92, 447,001.00 and 178,723.04 is: 246,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,915.92 : 447,001.00 = 178,723.04 : x
  2. Step 2: Convert to fraction form
    323,915.92/447,001.00 = 178,723.04/x
  3. Step 3: Cross multiply
    323,915.92x = 447,001.00 × 178,723.04
  4. Step 4: Simplify right side
    323,915.92x = 79,889,374,921.23
  5. Step 5: Solve for x
    x = 79,889,374,921.23/323,915.92
  6. Step 6: Final answer
    x = 246,636.15

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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.