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Finding the Fourth Proportional to 449,691.73, 620,582.24 and 268,368.47

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Solution

The fourth proportional to 449,691.73, 620,582.24 and 268,368.47 is: 370,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,691.73 : 620,582.24 = 268,368.47 : x
  2. Step 2: Convert to fraction form
    449,691.73/620,582.24 = 268,368.47/x
  3. Step 3: Cross multiply
    449,691.73x = 620,582.24 × 268,368.47
  4. Step 4: Simplify right side
    449,691.73x = 166,544,706,257.97
  5. Step 5: Solve for x
    x = 166,544,706,257.97/449,691.73
  6. Step 6: Final answer
    x = 370,353.06

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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.