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Finding the Fourth Proportional to 325,737.88, 488,668.26 and 123,394.57

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Solution

The fourth proportional to 325,737.88, 488,668.26 and 123,394.57 is: 185,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,737.88 : 488,668.26 = 123,394.57 : x
  2. Step 2: Convert to fraction form
    325,737.88/488,668.26 = 123,394.57/x
  3. Step 3: Cross multiply
    325,737.88x = 488,668.26 × 123,394.57
  4. Step 4: Simplify right side
    325,737.88x = 60,299,009,815.35
  5. Step 5: Solve for x
    x = 60,299,009,815.35/325,737.88
  6. Step 6: Final answer
    x = 185,115.13

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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.