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Finding the Fourth Proportional to 503,842.07, 755,500.66 and 188,039.27

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Solution

The fourth proportional to 503,842.07, 755,500.66 and 188,039.27 is: 281,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,842.07 : 755,500.66 = 188,039.27 : x
  2. Step 2: Convert to fraction form
    503,842.07/755,500.66 = 188,039.27/x
  3. Step 3: Cross multiply
    503,842.07x = 755,500.66 × 188,039.27
  4. Step 4: Simplify right side
    503,842.07x = 142,063,792,590.92
  5. Step 5: Solve for x
    x = 142,063,792,590.92/503,842.07
  6. Step 6: Final answer
    x = 281,960.96

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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.