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Finding the Fourth Proportional to 442,713.77, 610,942.17 and 251,727.15

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Solution

The fourth proportional to 442,713.77, 610,942.17 and 251,727.15 is: 347,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,713.77 : 610,942.17 = 251,727.15 : x
  2. Step 2: Convert to fraction form
    442,713.77/610,942.17 = 251,727.15/x
  3. Step 3: Cross multiply
    442,713.77x = 610,942.17 × 251,727.15
  4. Step 4: Simplify right side
    442,713.77x = 153,790,734,503.93
  5. Step 5: Solve for x
    x = 153,790,734,503.93/442,713.77
  6. Step 6: Final answer
    x = 347,381.86

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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.