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Finding the Fourth Proportional to 234,446.50, 350,665.02 and 217,428.92

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Solution

The fourth proportional to 234,446.50, 350,665.02 and 217,428.92 is: 325,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,446.50 : 350,665.02 = 217,428.92 : x
  2. Step 2: Convert to fraction form
    234,446.50/350,665.02 = 217,428.92/x
  3. Step 3: Cross multiply
    234,446.50x = 350,665.02 × 217,428.92
  4. Step 4: Simplify right side
    234,446.50x = 76,244,716,580.38
  5. Step 5: Solve for x
    x = 76,244,716,580.38/234,446.50
  6. Step 6: Final answer
    x = 325,211.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.