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Finding the Fourth Proportional to 449,557.60, 674,530.80 and 227,941.60

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Solution

The fourth proportional to 449,557.60, 674,530.80 and 227,941.60 is: 342,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,557.60 : 674,530.80 = 227,941.60 : x
  2. Step 2: Convert to fraction form
    449,557.60/674,530.80 = 227,941.60/x
  3. Step 3: Cross multiply
    449,557.60x = 674,530.80 × 227,941.60
  4. Step 4: Simplify right side
    449,557.60x = 153,753,629,801.28
  5. Step 5: Solve for x
    x = 153,753,629,801.28/449,557.60
  6. Step 6: Final answer
    x = 342,010.97

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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.