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Finding the Fourth Proportional to 663,664.75, 995,500.77 and 165,028.75

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Solution

The fourth proportional to 663,664.75, 995,500.77 and 165,028.75 is: 247,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,664.75 : 995,500.77 = 165,028.75 : x
  2. Step 2: Convert to fraction form
    663,664.75/995,500.77 = 165,028.75/x
  3. Step 3: Cross multiply
    663,664.75x = 995,500.77 × 165,028.75
  4. Step 4: Simplify right side
    663,664.75x = 164,286,247,697.14
  5. Step 5: Solve for x
    x = 164,286,247,697.14/663,664.75
  6. Step 6: Final answer
    x = 247,544.03

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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.