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Finding the Fourth Proportional to 373,878.94, 515,933.41 and 204,080.26

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Solution

The fourth proportional to 373,878.94, 515,933.41 and 204,080.26 is: 281,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,878.94 : 515,933.41 = 204,080.26 : x
  2. Step 2: Convert to fraction form
    373,878.94/515,933.41 = 204,080.26/x
  3. Step 3: Cross multiply
    373,878.94x = 515,933.41 × 204,080.26
  4. Step 4: Simplify right side
    373,878.94x = 105,291,821,875.82
  5. Step 5: Solve for x
    x = 105,291,821,875.82/373,878.94
  6. Step 6: Final answer
    x = 281,620.10

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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.