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Finding the Fourth Proportional to 329,568.78, 454,808.50 and 193,608.46

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Solution

The fourth proportional to 329,568.78, 454,808.50 and 193,608.46 is: 267,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,568.78 : 454,808.50 = 193,608.46 : x
  2. Step 2: Convert to fraction form
    329,568.78/454,808.50 = 193,608.46/x
  3. Step 3: Cross multiply
    329,568.78x = 454,808.50 × 193,608.46
  4. Step 4: Simplify right side
    329,568.78x = 88,054,771,658.87
  5. Step 5: Solve for x
    x = 88,054,771,658.87/329,568.78
  6. Step 6: Final answer
    x = 267,181.78

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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.