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Finding the Fourth Proportional to 373,804.80, 515,832.48 and 204,028.80

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Solution

The fourth proportional to 373,804.80, 515,832.48 and 204,028.80 is: 281,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,804.80 : 515,832.48 = 204,028.80 : x
  2. Step 2: Convert to fraction form
    373,804.80/515,832.48 = 204,028.80/x
  3. Step 3: Cross multiply
    373,804.80x = 515,832.48 × 204,028.80
  4. Step 4: Simplify right side
    373,804.80x = 105,244,681,895.42
  5. Step 5: Solve for x
    x = 105,244,681,895.42/373,804.80
  6. Step 6: Final answer
    x = 281,549.84

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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.