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Finding the Fourth Proportional to 404,647.73, 558,413.90 and 223,359.71

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Solution

The fourth proportional to 404,647.73, 558,413.90 and 223,359.71 is: 308,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,647.73 : 558,413.90 = 223,359.71 : x
  2. Step 2: Convert to fraction form
    404,647.73/558,413.90 = 223,359.71/x
  3. Step 3: Cross multiply
    404,647.73x = 558,413.90 × 223,359.71
  4. Step 4: Simplify right side
    404,647.73x = 124,727,166,763.97
  5. Step 5: Solve for x
    x = 124,727,166,763.97/404,647.73
  6. Step 6: Final answer
    x = 308,236.42

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1.5x scale

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.