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Finding the Fourth Proportional to 308,291.88, 462,474.84 and 108,570.96

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Solution

The fourth proportional to 308,291.88, 462,474.84 and 108,570.96 is: 162,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,291.88 : 462,474.84 = 108,570.96 : x
  2. Step 2: Convert to fraction form
    308,291.88/462,474.84 = 108,570.96/x
  3. Step 3: Cross multiply
    308,291.88x = 462,474.84 × 108,570.96
  4. Step 4: Simplify right side
    308,291.88x = 50,211,337,354.65
  5. Step 5: Solve for x
    x = 50,211,337,354.65/308,291.88
  6. Step 6: Final answer
    x = 162,869.48

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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.