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Finding the Fourth Proportional to 449,954.24, 621,093.22 and 259,043.72

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Solution

The fourth proportional to 449,954.24, 621,093.22 and 259,043.72 is: 357,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,954.24 : 621,093.22 = 259,043.72 : x
  2. Step 2: Convert to fraction form
    449,954.24/621,093.22 = 259,043.72/x
  3. Step 3: Cross multiply
    449,954.24x = 621,093.22 × 259,043.72
  4. Step 4: Simplify right side
    449,954.24x = 160,890,298,175.58
  5. Step 5: Solve for x
    x = 160,890,298,175.58/449,954.24
  6. Step 6: Final answer
    x = 357,570.36

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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.