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Finding the Fourth Proportional to 682,449.66, 942,082.50 and 440,850.02

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Solution

The fourth proportional to 682,449.66, 942,082.50 and 440,850.02 is: 608,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,449.66 : 942,082.50 = 440,850.02 : x
  2. Step 2: Convert to fraction form
    682,449.66/942,082.50 = 440,850.02/x
  3. Step 3: Cross multiply
    682,449.66x = 942,082.50 × 440,850.02
  4. Step 4: Simplify right side
    682,449.66x = 415,317,088,966.65
  5. Step 5: Solve for x
    x = 415,317,088,966.65/682,449.66
  6. Step 6: Final answer
    x = 608,568.09

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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.