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Finding the Fourth Proportional to 234,651.47, 323,505.77 and 186,413.45

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Solution

The fourth proportional to 234,651.47, 323,505.77 and 186,413.45 is: 257,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,651.47 : 323,505.77 = 186,413.45 : x
  2. Step 2: Convert to fraction form
    234,651.47/323,505.77 = 186,413.45/x
  3. Step 3: Cross multiply
    234,651.47x = 323,505.77 × 186,413.45
  4. Step 4: Simplify right side
    234,651.47x = 60,305,824,131.01
  5. Step 5: Solve for x
    x = 60,305,824,131.01/234,651.47
  6. Step 6: Final answer
    x = 257,001.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.