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Finding the Fourth Proportional to 462,694.20, 638,519.72 and 269,148.36

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Solution

The fourth proportional to 462,694.20, 638,519.72 and 269,148.36 is: 371,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,694.20 : 638,519.72 = 269,148.36 : x
  2. Step 2: Convert to fraction form
    462,694.20/638,519.72 = 269,148.36/x
  3. Step 3: Cross multiply
    462,694.20x = 638,519.72 × 269,148.36
  4. Step 4: Simplify right side
    462,694.20x = 171,856,535,465.66
  5. Step 5: Solve for x
    x = 171,856,535,465.66/462,694.20
  6. Step 6: Final answer
    x = 371,425.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.