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Finding the Fourth Proportional to 426,235.08, 588,209.22 and 235,248.42

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Solution

The fourth proportional to 426,235.08, 588,209.22 and 235,248.42 is: 324,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,235.08 : 588,209.22 = 235,248.42 : x
  2. Step 2: Convert to fraction form
    426,235.08/588,209.22 = 235,248.42/x
  3. Step 3: Cross multiply
    426,235.08x = 588,209.22 × 235,248.42
  4. Step 4: Simplify right side
    426,235.08x = 138,375,289,634.43
  5. Step 5: Solve for x
    x = 138,375,289,634.43/426,235.08
  6. Step 6: Final answer
    x = 324,645.47

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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.