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Finding the Fourth Proportional to 332,570.30, 499,228.61 and 133,029.80

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Solution

The fourth proportional to 332,570.30, 499,228.61 and 133,029.80 is: 199,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,570.30 : 499,228.61 = 133,029.80 : x
  2. Step 2: Convert to fraction form
    332,570.30/499,228.61 = 133,029.80/x
  3. Step 3: Cross multiply
    332,570.30x = 499,228.61 × 133,029.80
  4. Step 4: Simplify right side
    332,570.30x = 66,412,282,142.58
  5. Step 5: Solve for x
    x = 66,412,282,142.58/332,570.30
  6. Step 6: Final answer
    x = 199,693.97

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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.