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Finding the Fourth Proportional to 449,832.73, 620,367.12 and 373,230.57

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Solution

The fourth proportional to 449,832.73, 620,367.12 and 373,230.57 is: 514,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,832.73 : 620,367.12 = 373,230.57 : x
  2. Step 2: Convert to fraction form
    449,832.73/620,367.12 = 373,230.57/x
  3. Step 3: Cross multiply
    449,832.73x = 620,367.12 × 373,230.57
  4. Step 4: Simplify right side
    449,832.73x = 231,539,973,806.86
  5. Step 5: Solve for x
    x = 231,539,973,806.86/449,832.73
  6. Step 6: Final answer
    x = 514,724.60

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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.