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Finding the Fourth Proportional to 332,763.10, 499,217.55 and 133,033.30

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Solution

The fourth proportional to 332,763.10, 499,217.55 and 133,033.30 is: 199,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,763.10 : 499,217.55 = 133,033.30 : x
  2. Step 2: Convert to fraction form
    332,763.10/499,217.55 = 133,033.30/x
  3. Step 3: Cross multiply
    332,763.10x = 499,217.55 × 133,033.30
  4. Step 4: Simplify right side
    332,763.10x = 66,412,558,094.42
  5. Step 5: Solve for x
    x = 66,412,558,094.42/332,763.10
  6. Step 6: Final answer
    x = 199,579.09

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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.