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Finding the Fourth Proportional to 333,288.36, 499,930.11 and 133,605.81

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Solution

The fourth proportional to 333,288.36, 499,930.11 and 133,605.81 is: 200,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,288.36 : 499,930.11 = 133,605.81 : x
  2. Step 2: Convert to fraction form
    333,288.36/499,930.11 = 133,605.81/x
  3. Step 3: Cross multiply
    333,288.36x = 499,930.11 × 133,605.81
  4. Step 4: Simplify right side
    333,288.36x = 66,793,567,289.94
  5. Step 5: Solve for x
    x = 66,793,567,289.94/333,288.36
  6. Step 6: Final answer
    x = 200,407.74

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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.