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Finding the Fourth Proportional to 449,573.44, 674,458.88 and 169,090.72

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Solution

The fourth proportional to 449,573.44, 674,458.88 and 169,090.72 is: 253,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,573.44 : 674,458.88 = 169,090.72 : x
  2. Step 2: Convert to fraction form
    449,573.44/674,458.88 = 169,090.72/x
  3. Step 3: Cross multiply
    449,573.44x = 674,458.88 × 169,090.72
  4. Step 4: Simplify right side
    449,573.44x = 114,044,737,629.59
  5. Step 5: Solve for x
    x = 114,044,737,629.59/449,573.44
  6. Step 6: Final answer
    x = 253,673.21

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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.