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Finding the Fourth Proportional to 446,362.24, 669,563.62 and 126,536.98

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Solution

The fourth proportional to 446,362.24, 669,563.62 and 126,536.98 is: 189,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,362.24 : 669,563.62 = 126,536.98 : x
  2. Step 2: Convert to fraction form
    446,362.24/669,563.62 = 126,536.98/x
  3. Step 3: Cross multiply
    446,362.24x = 669,563.62 × 126,536.98
  4. Step 4: Simplify right side
    446,362.24x = 84,724,558,392.67
  5. Step 5: Solve for x
    x = 84,724,558,392.67/446,362.24
  6. Step 6: Final answer
    x = 189,811.21

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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.