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Finding the Fourth Proportional to 325,304.84, 487,976.39 and 125,626.27

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Solution

The fourth proportional to 325,304.84, 487,976.39 and 125,626.27 is: 188,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,304.84 : 487,976.39 = 125,626.27 : x
  2. Step 2: Convert to fraction form
    325,304.84/487,976.39 = 125,626.27/x
  3. Step 3: Cross multiply
    325,304.84x = 487,976.39 × 125,626.27
  4. Step 4: Simplify right side
    325,304.84x = 61,302,653,723.77
  5. Step 5: Solve for x
    x = 61,302,653,723.77/325,304.84
  6. Step 6: Final answer
    x = 188,446.79

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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.