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Finding the Fourth Proportional to 322,476.15, 445,007.88 and 179,232.51

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Solution

The fourth proportional to 322,476.15, 445,007.88 and 179,232.51 is: 247,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,476.15 : 445,007.88 = 179,232.51 : x
  2. Step 2: Convert to fraction form
    322,476.15/445,007.88 = 179,232.51/x
  3. Step 3: Cross multiply
    322,476.15x = 445,007.88 × 179,232.51
  4. Step 4: Simplify right side
    322,476.15x = 79,759,879,302.18
  5. Step 5: Solve for x
    x = 79,759,879,302.18/322,476.15
  6. Step 6: Final answer
    x = 247,335.75

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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.