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Finding the Fourth Proportional to 325,450.51, 449,083.31 and 187,627.89

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Solution

The fourth proportional to 325,450.51, 449,083.31 and 187,627.89 is: 258,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,450.51 : 449,083.31 = 187,627.89 : x
  2. Step 2: Convert to fraction form
    325,450.51/449,083.31 = 187,627.89/x
  3. Step 3: Cross multiply
    325,450.51x = 449,083.31 × 187,627.89
  4. Step 4: Simplify right side
    325,450.51x = 84,260,554,635.44
  5. Step 5: Solve for x
    x = 84,260,554,635.44/325,450.51
  6. Step 6: Final answer
    x = 258,904.36

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1.5x scale

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.