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Finding the Fourth Proportional to 366,919.15, 550,378.73 and 366,919.15

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Solution

The fourth proportional to 366,919.15, 550,378.73 and 366,919.15 is: 550,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,919.15 : 550,378.73 = 366,919.15 : x
  2. Step 2: Convert to fraction form
    366,919.15/550,378.73 = 366,919.15/x
  3. Step 3: Cross multiply
    366,919.15x = 550,378.73 × 366,919.15
  4. Step 4: Simplify right side
    366,919.15x = 201,944,495,789.68
  5. Step 5: Solve for x
    x = 201,944,495,789.68/366,919.15
  6. Step 6: Final answer
    x = 550,378.73

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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.