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Finding the Fourth Proportional to 333,428.44, 499,891.12 and 108,654.66

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Solution

The fourth proportional to 333,428.44, 499,891.12 and 108,654.66 is: 162,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,428.44 : 499,891.12 = 108,654.66 : x
  2. Step 2: Convert to fraction form
    333,428.44/499,891.12 = 108,654.66/x
  3. Step 3: Cross multiply
    333,428.44x = 499,891.12 × 108,654.66
  4. Step 4: Simplify right side
    333,428.44x = 54,315,499,680.62
  5. Step 5: Solve for x
    x = 54,315,499,680.62/333,428.44
  6. Step 6: Final answer
    x = 162,900.02

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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.