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Finding the Fourth Proportional to 333,228.50, 499,791.42 and 108,588.38

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Solution

The fourth proportional to 333,228.50, 499,791.42 and 108,588.38 is: 162,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,228.50 : 499,791.42 = 108,588.38 : x
  2. Step 2: Convert to fraction form
    333,228.50/499,791.42 = 108,588.38/x
  3. Step 3: Cross multiply
    333,228.50x = 499,791.42 × 108,588.38
  4. Step 4: Simplify right side
    333,228.50x = 54,271,540,635.70
  5. Step 5: Solve for x
    x = 54,271,540,635.70/333,228.50
  6. Step 6: Final answer
    x = 162,865.84

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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.