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Finding the Fourth Proportional to 491,246.88, 677,915.91 and 273,452.10

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Solution

The fourth proportional to 491,246.88, 677,915.91 and 273,452.10 is: 377,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,246.88 : 677,915.91 = 273,452.10 : x
  2. Step 2: Convert to fraction form
    491,246.88/677,915.91 = 273,452.10/x
  3. Step 3: Cross multiply
    491,246.88x = 677,915.91 × 273,452.10
  4. Step 4: Simplify right side
    491,246.88x = 185,377,529,212.91
  5. Step 5: Solve for x
    x = 185,377,529,212.91/491,246.88
  6. Step 6: Final answer
    x = 377,361.23

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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.