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Finding the Fourth Proportional to 363,266.54, 501,299.94 and 210,311.18

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Solution

The fourth proportional to 363,266.54, 501,299.94 and 210,311.18 is: 290,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,266.54 : 501,299.94 = 210,311.18 : x
  2. Step 2: Convert to fraction form
    363,266.54/501,299.94 = 210,311.18/x
  3. Step 3: Cross multiply
    363,266.54x = 501,299.94 × 210,311.18
  4. Step 4: Simplify right side
    363,266.54x = 105,428,981,915.33
  5. Step 5: Solve for x
    x = 105,428,981,915.33/363,266.54
  6. Step 6: Final answer
    x = 290,224.86

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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.