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Finding the Fourth Proportional to 440,087.94, 660,216.78 and 187,363.80

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Solution

The fourth proportional to 440,087.94, 660,216.78 and 187,363.80 is: 281,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,087.94 : 660,216.78 = 187,363.80 : x
  2. Step 2: Convert to fraction form
    440,087.94/660,216.78 = 187,363.80/x
  3. Step 3: Cross multiply
    440,087.94x = 660,216.78 × 187,363.80
  4. Step 4: Simplify right side
    440,087.94x = 123,700,724,724.56
  5. Step 5: Solve for x
    x = 123,700,724,724.56/440,087.94
  6. Step 6: Final answer
    x = 281,081.83

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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.