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Finding the Fourth Proportional to 366,060.64, 505,163.88 and 204,916

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Solution

The fourth proportional to 366,060.64, 505,163.88 and 204,916 is: 282,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,060.64 : 505,163.88 = 204,916 : x
  2. Step 2: Convert to fraction form
    366,060.64/505,163.88 = 204,916/x
  3. Step 3: Cross multiply
    366,060.64x = 505,163.88 × 204,916
  4. Step 4: Simplify right side
    366,060.64x = 103,516,161,634.08
  5. Step 5: Solve for x
    x = 103,516,161,634.08/366,060.64
  6. Step 6: Final answer
    x = 282,784.19

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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.