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Finding the Fourth Proportional to 462,404.75, 693,653.31 and 125,450.96

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Solution

The fourth proportional to 462,404.75, 693,653.31 and 125,450.96 is: 188,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,404.75 : 693,653.31 = 125,450.96 : x
  2. Step 2: Convert to fraction form
    462,404.75/693,653.31 = 125,450.96/x
  3. Step 3: Cross multiply
    462,404.75x = 693,653.31 × 125,450.96
  4. Step 4: Simplify right side
    462,404.75x = 87,019,470,178.41
  5. Step 5: Solve for x
    x = 87,019,470,178.41/462,404.75
  6. Step 6: Final answer
    x = 188,188.96

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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.