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Finding the Fourth Proportional to 449,993.98, 621,147.96 and 259,083.46

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Solution

The fourth proportional to 449,993.98, 621,147.96 and 259,083.46 is: 357,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,993.98 : 621,147.96 = 259,083.46 : x
  2. Step 2: Convert to fraction form
    449,993.98/621,147.96 = 259,083.46/x
  3. Step 3: Cross multiply
    449,993.98x = 621,147.96 × 259,083.46
  4. Step 4: Simplify right side
    449,993.98x = 160,929,163,425.18
  5. Step 5: Solve for x
    x = 160,929,163,425.18/449,993.98
  6. Step 6: Final answer
    x = 357,625.15

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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.