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Finding the Fourth Proportional to 367,482.24, 550,912.32 and 145,745.28

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Solution

The fourth proportional to 367,482.24, 550,912.32 and 145,745.28 is: 218,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,482.24 : 550,912.32 = 145,745.28 : x
  2. Step 2: Convert to fraction form
    367,482.24/550,912.32 = 145,745.28/x
  3. Step 3: Cross multiply
    367,482.24x = 550,912.32 × 145,745.28
  4. Step 4: Simplify right side
    367,482.24x = 80,292,870,333.85
  5. Step 5: Solve for x
    x = 80,292,870,333.85/367,482.24
  6. Step 6: Final answer
    x = 218,494.56

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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.