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Finding the Fourth Proportional to 446,606.07, 669,808.13 and 131,087.58

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Solution

The fourth proportional to 446,606.07, 669,808.13 and 131,087.58 is: 196,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,606.07 : 669,808.13 = 131,087.58 : x
  2. Step 2: Convert to fraction form
    446,606.07/669,808.13 = 131,087.58/x
  3. Step 3: Cross multiply
    446,606.07x = 669,808.13 × 131,087.58
  4. Step 4: Simplify right side
    446,606.07x = 87,803,526,170.59
  5. Step 5: Solve for x
    x = 87,803,526,170.59/446,606.07
  6. Step 6: Final answer
    x = 196,601.73

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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.