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Finding the Fourth Proportional to 426,254.79, 588,189.70 and 235,255.86

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Solution

The fourth proportional to 426,254.79, 588,189.70 and 235,255.86 is: 324,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,254.79 : 588,189.70 = 235,255.86 : x
  2. Step 2: Convert to fraction form
    426,254.79/588,189.70 = 235,255.86/x
  3. Step 3: Cross multiply
    426,254.79x = 588,189.70 × 235,255.86
  4. Step 4: Simplify right side
    426,254.79x = 138,375,073,716.64
  5. Step 5: Solve for x
    x = 138,375,073,716.64/426,254.79
  6. Step 6: Final answer
    x = 324,629.96

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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.