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Finding the Fourth Proportional to 366,921.65, 550,382.48 and 366,921.65

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Solution

The fourth proportional to 366,921.65, 550,382.48 and 366,921.65 is: 550,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,921.65 : 550,382.48 = 366,921.65 : x
  2. Step 2: Convert to fraction form
    366,921.65/550,382.48 = 366,921.65/x
  3. Step 3: Cross multiply
    366,921.65x = 550,382.48 × 366,921.65
  4. Step 4: Simplify right side
    366,921.65x = 201,947,247,692.69
  5. Step 5: Solve for x
    x = 201,947,247,692.69/366,921.65
  6. Step 6: Final answer
    x = 550,382.48

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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.