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Finding the Fourth Proportional to 227,413.70, 340,464.45 and 220,852.70

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Solution

The fourth proportional to 227,413.70, 340,464.45 and 220,852.70 is: 330,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,413.70 : 340,464.45 = 220,852.70 : x
  2. Step 2: Convert to fraction form
    227,413.70/340,464.45 = 220,852.70/x
  3. Step 3: Cross multiply
    227,413.70x = 340,464.45 × 220,852.70
  4. Step 4: Simplify right side
    227,413.70x = 75,192,493,036.52
  5. Step 5: Solve for x
    x = 75,192,493,036.52/227,413.70
  6. Step 6: Final answer
    x = 330,641.88

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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.