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Finding the Fourth Proportional to 454,786.64, 627,851.63 and 273,539.03

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Solution

The fourth proportional to 454,786.64, 627,851.63 and 273,539.03 is: 377,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,786.64 : 627,851.63 = 273,539.03 : x
  2. Step 2: Convert to fraction form
    454,786.64/627,851.63 = 273,539.03/x
  3. Step 3: Cross multiply
    454,786.64x = 627,851.63 × 273,539.03
  4. Step 4: Simplify right side
    454,786.64x = 171,741,924,486.42
  5. Step 5: Solve for x
    x = 171,741,924,486.42/454,786.64
  6. Step 6: Final answer
    x = 377,631.86

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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.