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Finding the Fourth Proportional to 325,304.46, 487,975.83 and 125,625.89

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Solution

The fourth proportional to 325,304.46, 487,975.83 and 125,625.89 is: 188,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,304.46 : 487,975.83 = 125,625.89 : x
  2. Step 2: Convert to fraction form
    325,304.46/487,975.83 = 125,625.89/x
  3. Step 3: Cross multiply
    325,304.46x = 487,975.83 × 125,625.89
  4. Step 4: Simplify right side
    325,304.46x = 61,302,399,162.18
  5. Step 5: Solve for x
    x = 61,302,399,162.18/325,304.46
  6. Step 6: Final answer
    x = 188,446.23

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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.