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Finding the Fourth Proportional to 699,316.44, 965,209.50 and 444,617.88

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Solution

The fourth proportional to 699,316.44, 965,209.50 and 444,617.88 is: 613,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,316.44 : 965,209.50 = 444,617.88 : x
  2. Step 2: Convert to fraction form
    699,316.44/965,209.50 = 444,617.88/x
  3. Step 3: Cross multiply
    699,316.44x = 965,209.50 × 444,617.88
  4. Step 4: Simplify right side
    699,316.44x = 429,149,401,645.86
  5. Step 5: Solve for x
    x = 429,149,401,645.86/699,316.44
  6. Step 6: Final answer
    x = 613,669.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.