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Finding the Fourth Proportional to 441,544.32, 662,382.72 and 204,911.28

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Solution

The fourth proportional to 441,544.32, 662,382.72 and 204,911.28 is: 307,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,544.32 : 662,382.72 = 204,911.28 : x
  2. Step 2: Convert to fraction form
    441,544.32/662,382.72 = 204,911.28/x
  3. Step 3: Cross multiply
    441,544.32x = 662,382.72 × 204,911.28
  4. Step 4: Simplify right side
    441,544.32x = 135,729,691,005.08
  5. Step 5: Solve for x
    x = 135,729,691,005.08/441,544.32
  6. Step 6: Final answer
    x = 307,397.66

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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.