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Finding the Fourth Proportional to 322,614, 445,186.26 and 179,368.74

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Solution

The fourth proportional to 322,614, 445,186.26 and 179,368.74 is: 247,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,614 : 445,186.26 = 179,368.74 : x
  2. Step 2: Convert to fraction form
    322,614/445,186.26 = 179,368.74/x
  3. Step 3: Cross multiply
    322,614x = 445,186.26 × 179,368.74
  4. Step 4: Simplify right side
    322,614x = 79,852,498,521.51
  5. Step 5: Solve for x
    x = 79,852,498,521.51/322,614
  6. Step 6: Final answer
    x = 247,517.15

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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.