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Finding the Fourth Proportional to 422,662.27, 634,029.51 and 233,253.39

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Solution

The fourth proportional to 422,662.27, 634,029.51 and 233,253.39 is: 349,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,662.27 : 634,029.51 = 233,253.39 : x
  2. Step 2: Convert to fraction form
    422,662.27/634,029.51 = 233,253.39/x
  3. Step 3: Cross multiply
    422,662.27x = 634,029.51 × 233,253.39
  4. Step 4: Simplify right side
    422,662.27x = 147,889,532,567.54
  5. Step 5: Solve for x
    x = 147,889,532,567.54/422,662.27
  6. Step 6: Final answer
    x = 349,900.01

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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.