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Finding the Fourth Proportional to 426,198.39, 588,136.59 and 235,209.30

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Solution

The fourth proportional to 426,198.39, 588,136.59 and 235,209.30 is: 324,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,198.39 : 588,136.59 = 235,209.30 : x
  2. Step 2: Convert to fraction form
    426,198.39/588,136.59 = 235,209.30/x
  3. Step 3: Cross multiply
    426,198.39x = 588,136.59 × 235,209.30
  4. Step 4: Simplify right side
    426,198.39x = 138,335,195,638.29
  5. Step 5: Solve for x
    x = 138,335,195,638.29/426,198.39
  6. Step 6: Final answer
    x = 324,579.35

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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.