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Finding the Fourth Proportional to 439,713.97, 659,597.11 and 169,844.18

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Solution

The fourth proportional to 439,713.97, 659,597.11 and 169,844.18 is: 254,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,713.97 : 659,597.11 = 169,844.18 : x
  2. Step 2: Convert to fraction form
    439,713.97/659,597.11 = 169,844.18/x
  3. Step 3: Cross multiply
    439,713.97x = 659,597.11 × 169,844.18
  4. Step 4: Simplify right side
    439,713.97x = 112,028,726,555.72
  5. Step 5: Solve for x
    x = 112,028,726,555.72/439,713.97
  6. Step 6: Final answer
    x = 254,776.37

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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.