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Finding the Fourth Proportional to 768,198.82, 1,060,114.43 and 424,034.83

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Solution

The fourth proportional to 768,198.82, 1,060,114.43 and 424,034.83 is: 585,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,198.82 : 1,060,114.43 = 424,034.83 : x
  2. Step 2: Convert to fraction form
    768,198.82/1,060,114.43 = 424,034.83/x
  3. Step 3: Cross multiply
    768,198.82x = 1,060,114.43 × 424,034.83
  4. Step 4: Simplify right side
    768,198.82x = 449,525,442,105.60
  5. Step 5: Solve for x
    x = 449,525,442,105.60/768,198.82
  6. Step 6: Final answer
    x = 585,168.10

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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.