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Finding the Fourth Proportional to 663,337.44, 995,016.96 and 190,020.96

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Solution

The fourth proportional to 663,337.44, 995,016.96 and 190,020.96 is: 285,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,337.44 : 995,016.96 = 190,020.96 : x
  2. Step 2: Convert to fraction form
    663,337.44/995,016.96 = 190,020.96/x
  3. Step 3: Cross multiply
    663,337.44x = 995,016.96 × 190,020.96
  4. Step 4: Simplify right side
    663,337.44x = 189,074,075,467.94
  5. Step 5: Solve for x
    x = 189,074,075,467.94/663,337.44
  6. Step 6: Final answer
    x = 285,034.53

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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.