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Finding the Fourth Proportional to 333,288.61, 499,930.48 and 133,606.06

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Solution

The fourth proportional to 333,288.61, 499,930.48 and 133,606.06 is: 200,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,288.61 : 499,930.48 = 133,606.06 : x
  2. Step 2: Convert to fraction form
    333,288.61/499,930.48 = 133,606.06/x
  3. Step 3: Cross multiply
    333,288.61x = 499,930.48 × 133,606.06
  4. Step 4: Simplify right side
    333,288.61x = 66,793,741,706.71
  5. Step 5: Solve for x
    x = 66,793,741,706.71/333,288.61
  6. Step 6: Final answer
    x = 200,408.11

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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.