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Finding the Fourth Proportional to 665,887.00, 999,082.00 and 399,832.37

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Solution

The fourth proportional to 665,887.00, 999,082.00 and 399,832.37 is: 599,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,887.00 : 999,082.00 = 399,832.37 : x
  2. Step 2: Convert to fraction form
    665,887.00/999,082.00 = 399,832.37/x
  3. Step 3: Cross multiply
    665,887.00x = 999,082.00 × 399,832.37
  4. Step 4: Simplify right side
    665,887.00x = 399,465,321,885.18
  5. Step 5: Solve for x
    x = 399,465,321,885.18/665,887.00
  6. Step 6: Final answer
    x = 599,899.57

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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.