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Finding the Fourth Proportional to 373,874.37, 515,927.12 and 204,075.69

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Solution

The fourth proportional to 373,874.37, 515,927.12 and 204,075.69 is: 281,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,874.37 : 515,927.12 = 204,075.69 : x
  2. Step 2: Convert to fraction form
    373,874.37/515,927.12 = 204,075.69/x
  3. Step 3: Cross multiply
    373,874.37x = 515,927.12 × 204,075.69
  4. Step 4: Simplify right side
    373,874.37x = 105,288,181,983.33
  5. Step 5: Solve for x
    x = 105,288,181,983.33/373,874.37
  6. Step 6: Final answer
    x = 281,613.80

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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.