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Finding the Fourth Proportional to 663,670.44, 995,505.12 and 165,034.44

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Solution

The fourth proportional to 663,670.44, 995,505.12 and 165,034.44 is: 247,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,670.44 : 995,505.12 = 165,034.44 : x
  2. Step 2: Convert to fraction form
    663,670.44/995,505.12 = 165,034.44/x
  3. Step 3: Cross multiply
    663,670.44x = 995,505.12 × 165,034.44
  4. Step 4: Simplify right side
    663,670.44x = 164,292,629,996.33
  5. Step 5: Solve for x
    x = 164,292,629,996.33/663,670.44
  6. Step 6: Final answer
    x = 247,551.53

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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.