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Finding the Fourth Proportional to 402,425.52, 603,171.68 and 379,097.52

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Solution

The fourth proportional to 402,425.52, 603,171.68 and 379,097.52 is: 568,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,425.52 : 603,171.68 = 379,097.52 : x
  2. Step 2: Convert to fraction form
    402,425.52/603,171.68 = 379,097.52/x
  3. Step 3: Cross multiply
    402,425.52x = 603,171.68 × 379,097.52
  4. Step 4: Simplify right side
    402,425.52x = 228,660,888,022.23
  5. Step 5: Solve for x
    x = 228,660,888,022.23/402,425.52
  6. Step 6: Final answer
    x = 568,206.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.