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Finding the Fourth Proportional to 362,716.10, 544,511.55 and 202,919.30

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Solution

The fourth proportional to 362,716.10, 544,511.55 and 202,919.30 is: 304,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,716.10 : 544,511.55 = 202,919.30 : x
  2. Step 2: Convert to fraction form
    362,716.10/544,511.55 = 202,919.30/x
  3. Step 3: Cross multiply
    362,716.10x = 544,511.55 × 202,919.30
  4. Step 4: Simplify right side
    362,716.10x = 110,491,902,567.92
  5. Step 5: Solve for x
    x = 110,491,902,567.92/362,716.10
  6. Step 6: Final answer
    x = 304,623.65

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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.