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Finding the Fourth Proportional to 323,088.89, 445,912.80 and 194,099.17

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Solution

The fourth proportional to 323,088.89, 445,912.80 and 194,099.17 is: 267,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,088.89 : 445,912.80 = 194,099.17 : x
  2. Step 2: Convert to fraction form
    323,088.89/445,912.80 = 194,099.17/x
  3. Step 3: Cross multiply
    323,088.89x = 445,912.80 × 194,099.17
  4. Step 4: Simplify right side
    323,088.89x = 86,551,304,372.38
  5. Step 5: Solve for x
    x = 86,551,304,372.38/323,088.89
  6. Step 6: Final answer
    x = 267,886.97

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1.5x scale

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.