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Finding the Fourth Proportional to 293,581.65, 440,356.22 and 80,334.26

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Solution

The fourth proportional to 293,581.65, 440,356.22 and 80,334.26 is: 120,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,581.65 : 440,356.22 = 80,334.26 : x
  2. Step 2: Convert to fraction form
    293,581.65/440,356.22 = 80,334.26/x
  3. Step 3: Cross multiply
    293,581.65x = 440,356.22 × 80,334.26
  4. Step 4: Simplify right side
    293,581.65x = 35,375,689,406.67
  5. Step 5: Solve for x
    x = 35,375,689,406.67/293,581.65
  6. Step 6: Final answer
    x = 120,496.94

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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.