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Finding the Fourth Proportional to 325,939.15, 449,796.98 and 180,755.15

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Solution

The fourth proportional to 325,939.15, 449,796.98 and 180,755.15 is: 249,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,939.15 : 449,796.98 = 180,755.15 : x
  2. Step 2: Convert to fraction form
    325,939.15/449,796.98 = 180,755.15/x
  3. Step 3: Cross multiply
    325,939.15x = 449,796.98 × 180,755.15
  4. Step 4: Simplify right side
    325,939.15x = 81,303,119,685.67
  5. Step 5: Solve for x
    x = 81,303,119,685.67/325,939.15
  6. Step 6: Final answer
    x = 249,442.64

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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.