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Finding the Fourth Proportional to 294,686.46, 406,976.11 and 203,044.05

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Solution

The fourth proportional to 294,686.46, 406,976.11 and 203,044.05 is: 280,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,686.46 : 406,976.11 = 203,044.05 : x
  2. Step 2: Convert to fraction form
    294,686.46/406,976.11 = 203,044.05/x
  3. Step 3: Cross multiply
    294,686.46x = 406,976.11 × 203,044.05
  4. Step 4: Simplify right side
    294,686.46x = 82,634,077,120.04
  5. Step 5: Solve for x
    x = 82,634,077,120.04/294,686.46
  6. Step 6: Final answer
    x = 280,413.55

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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.