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Finding the Fourth Proportional to 404,413.91, 606,635.45 and 151,668.80

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Solution

The fourth proportional to 404,413.91, 606,635.45 and 151,668.80 is: 227,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,413.91 : 606,635.45 = 151,668.80 : x
  2. Step 2: Convert to fraction form
    404,413.91/606,635.45 = 151,668.80/x
  3. Step 3: Cross multiply
    404,413.91x = 606,635.45 × 151,668.80
  4. Step 4: Simplify right side
    404,413.91x = 92,007,670,738.96
  5. Step 5: Solve for x
    x = 92,007,670,738.96/404,413.91
  6. Step 6: Final answer
    x = 227,508.67

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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.