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Finding the Fourth Proportional to 426,228.85, 588,194.61 and 235,240.88

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Solution

The fourth proportional to 426,228.85, 588,194.61 and 235,240.88 is: 324,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,228.85 : 588,194.61 = 235,240.88 : x
  2. Step 2: Convert to fraction form
    426,228.85/588,194.61 = 235,240.88/x
  3. Step 3: Cross multiply
    426,228.85x = 588,194.61 × 235,240.88
  4. Step 4: Simplify right side
    426,228.85x = 138,367,415,167.76
  5. Step 5: Solve for x
    x = 138,367,415,167.76/426,228.85
  6. Step 6: Final answer
    x = 324,631.74

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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.