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Finding the Fourth Proportional to 373,136.56, 514,521.90 and 252,067.74

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Solution

The fourth proportional to 373,136.56, 514,521.90 and 252,067.74 is: 347,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,136.56 : 514,521.90 = 252,067.74 : x
  2. Step 2: Convert to fraction form
    373,136.56/514,521.90 = 252,067.74/x
  3. Step 3: Cross multiply
    373,136.56x = 514,521.90 × 252,067.74
  4. Step 4: Simplify right side
    373,136.56x = 129,694,372,513.51
  5. Step 5: Solve for x
    x = 129,694,372,513.51/373,136.56
  6. Step 6: Final answer
    x = 347,578.84

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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.