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Finding the Fourth Proportional to 446,006.07, 669,003.11 and 109,049.63

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Solution

The fourth proportional to 446,006.07, 669,003.11 and 109,049.63 is: 163,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,006.07 : 669,003.11 = 109,049.63 : x
  2. Step 2: Convert to fraction form
    446,006.07/669,003.11 = 109,049.63/x
  3. Step 3: Cross multiply
    446,006.07x = 669,003.11 × 109,049.63
  4. Step 4: Simplify right side
    446,006.07x = 72,954,537,724.09
  5. Step 5: Solve for x
    x = 72,954,537,724.09/446,006.07
  6. Step 6: Final answer
    x = 163,572.97

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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.